Common Weakness Enumeration
CWE-190
AllowedInteger Overflow or Wraparound
Abstraction: Base · Status: Stable
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
3867 vulnerabilities reference this CWE, most recent first.
CVE-2026-14787 (GCVE-0-2026-14787)
Vulnerability from cvelistv5 – Published: 2026-07-06 01:30 – Updated: 2026-07-06 16:49 X_Open Source
VLAI
EPSS
VEX
Title
radareorg radare2 pb Print cmd_print.inc cmd_print integer overflow
Summary
A weakness has been identified in radareorg radare2 up to 6.1.6. Affected is the function cmd_print in the library libr/core/cmd_print.inc of the component pb Print Command Handler. This manipulation causes integer overflow. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: 2b6265476c75567006b0fcbb749f4ae7b189c5df. It is recommended to apply a patch to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376376 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376376/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14787 | third-party-advisory |
| https://vuldb.com/submit/850387 | third-party-advisory |
| https://github.com/radareorg/radare2/issues/26048 | exploitissue-tracking |
| https://github.com/phix33/radare2/commit/2b626547… | patch |
| https://github.com/radareorg/radare2/ | product |
Impacted products
Credits
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CVE-2026-14786 (GCVE-0-2026-14786)
Vulnerability from cvelistv5 – Published: 2026-07-06 01:00 – Updated: 2026-07-07 02:55 X_Open Source
VLAI
EPSS
VEX
Title
radareorg radare2 str.c r_str_word_get0set integer overflow
Summary
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This impacts the function r_str_word_get0set of the file libr/util/str.c. The manipulation results in integer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 11ac224c0eb8d57830fccc99e1c1cd8e5d958813. It is best practice to apply a patch to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376375 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376375/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14786 | third-party-advisory |
| https://vuldb.com/submit/850386 | third-party-advisory |
| https://github.com/radareorg/radare2/issues/26047 | exploitissue-tracking |
| https://github.com/radareorg/radare2/commit/11ac2… | patch |
| https://github.com/radareorg/radare2/ | product |
Impacted products
Credits
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CVE-2026-14761 (GCVE-0-2026-14761)
Vulnerability from cvelistv5 – Published: 2026-07-05 15:45 – Updated: 2026-07-06 18:46 X_Open Source
VLAI
EPSS
VEX
Title
radareorg radare2 str.c r_str_append integer overflow
Summary
A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376350 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376350/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14761 | third-party-advisory |
| https://vuldb.com/submit/850385 | third-party-advisory |
| https://github.com/radareorg/radare2/issues/26045 | exploitissue-tracking |
| https://github.com/radareorg/radare2/commit/a20a5… | patch |
| https://github.com/radareorg/radare2/ | product |
Impacted products
Credits
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CVE-2026-14758 (GCVE-0-2026-14758)
Vulnerability from cvelistv5 – Published: 2026-07-05 15:00 – Updated: 2026-07-06 13:08 X_Open Source
VLAI
EPSS
VEX
Title
radareorg radare2 hexpairs cmd_anal.inc.c cmd_anal_opcode integer overflow
Summary
A vulnerability was identified in radareorg radare2 up to 6.1.6. This vulnerability affects the function cmd_anal_opcode of the file libr/core/cmd_anal.inc.c of the component hexpairs Parser. Such manipulation leads to integer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The name of the patch is 84e773986e7e5bb30453a9384f498ec0ccc9d0a9. A patch should be applied to remediate this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376347 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376347/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14758 | third-party-advisory |
| https://vuldb.com/submit/850382 | third-party-advisory |
| https://github.com/radareorg/radare2/issues/26042 | exploitissue-tracking |
| https://github.com/radareorg/radare2/commit/84e77… | patch |
| https://github.com/radareorg/radare2/ | product |
Impacted products
Credits
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CVE-2026-14757 (GCVE-0-2026-14757)
Vulnerability from cvelistv5 – Published: 2026-07-05 14:45 – Updated: 2026-07-06 16:49 X_Open Source
VLAI
EPSS
VEX
Title
radareorg radare2 cmd_anal.inc core_anal_bytes integer overflow
Summary
A vulnerability was determined in radareorg radare2 up to 6.1.6. This affects the function core_anal_bytes of the file libr/core/cmd_anal.inc. This manipulation causes integer overflow. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. It is suggested to install a patch to address this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376346 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376346/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14757 | third-party-advisory |
| https://vuldb.com/submit/850381 | third-party-advisory |
| https://github.com/radareorg/radare2/issues/26041 | exploitissue-tracking |
| https://github.com/radareorg/radare2/ | product |
Impacted products
Credits
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CVE-2026-14544 (GCVE-0-2026-14544)
Vulnerability from cvelistv5 – Published: 2026-07-03 07:26 – Updated: 2026-07-16 11:47
VLAI
EPSS
VEX
Title
Hplip: incomplete fix for cve-2026-8631
Summary
A flaw was found in HPLIP (HP Linux Imaging and Printing Software). This vulnerability, an incomplete fix for CVE-2026-8631, may allow a remote attacker to escalate privileges or achieve arbitrary code execution. This can occur through an integer overflow in the hpcups processing path when handling specially crafted print data.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:39976 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:40831 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:40894 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-14544 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2496772 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.23.12-10.el10_2.5 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:3.18.4-14.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:3.21.2-6.el9_8.5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2026-07-03 00:00
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CVE-2026-13221 (GCVE-0-2026-13221)
Vulnerability from cvelistv5 – Published: 2026-07-13 15:40 – Updated: 2026-07-14 13:33
VLAI
EPSS
VEX
Title
Perl versions through 5.43.9 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk
Summary
Perl versions through 5.43.9 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk.
When such branches are combined into a trie, the delta between the first branch and the shared tail is stored in a 16-bit field. A branch count above 65535 overflows the field, and the trie's match decision table is truncated with no warning or error.
A pattern of this shape produces false positive matches (matching strings it should not) and false negative matches (failing to match strings it should). When such a pattern gates an access or filtering decision, the result is wrong.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
3 references
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CVE-2026-12244 (GCVE-0-2026-12244)
Vulnerability from cvelistv5 – Published: 2026-06-25 05:24 – Updated: 2026-06-25 12:45
VLAI
EPSS
VEX
Title
Heap overflow and crash with crafted SVCB RR
Summary
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an (uint16_t) variable that is used to allocate space needed for the RR wrap (because total size > 65535), causing a heap overflow. The attacker can perform a controlled (RCE class) head write of up to 65509 bytes
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-1… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | NSD |
Affected:
4.14.0 , < 4.14.3
(semver)
|
Date Public
2026-06-25 00:00
Credits
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CVE-2026-11774 (GCVE-0-2026-11774)
Vulnerability from cvelistv5 – Published: 2026-06-11 17:54 – Updated: 2026-07-15 01:23
VLAI
EPSS
VEX
Title
389-ds-base: 389-ds-base: integer overflow in sasl packet length bypasses size limit leading to heap buffer overflow
Summary
An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), adding sizeof(uint32_t) to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer overflow of up to approximately 2 megabytes of attacker-controlled data. After a successful SASL bind with integrity protection (SSF > 0), a remote attacker can cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE). In FreeIPA and Red Hat Identity Management deployments, any domain user with a valid Kerberos ticket, enrolled host, or service account can trigger this vulnerability over the network. This flaw is independent of CVE-2025-14905, which patched schema.c only and did not modify sasl_io.c.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
20 references
Impacted products
34 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Directory Server 11.5 E4S for RHEL 8 |
Unaffected:
8060020260702180044.0ca98e7e , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:11.5::el8 |
|
| Red Hat | Red Hat Directory Server 11.7 E4S for RHEL 8 |
Unaffected:
8080020260702180836.f969626e , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:11.7::el8 |
|
| Red Hat | Red Hat Directory Server 11.9 for RHEL 8 |
Unaffected:
8100020260702145313.37ed7c03 , < *
(rpm)
cpe:/a:redhat:directory_server:11.9::el8 |
|
| Red Hat | Red Hat Directory Server 12.2 E4S for RHEL 9 |
Unaffected:
9020020260703060155.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.2::el9 |
|
| Red Hat | Red Hat Directory Server 12.4 E4S for RHEL 9 |
Unaffected:
9040020260703055735.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.4::el9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.2.0-8.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.0.6-19.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:1.3.11.1-13.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020260626120929.25e700aa , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.8.0-8.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.2.4-19.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:2.4.5-26.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.6.1-22.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6::appstream cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Directory Server 13.2 |
Unaffected:
1783452100 , < *
(rpm)
cpe:/a:redhat:directory_server:13.2::el10 |
|
| Red Hat | Red Hat Directory Server 12 |
cpe:/a:redhat:directory_server:12 |
|
| Red Hat | Red Hat Directory Server 13 |
cpe:/a:redhat:directory_server:13 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020260626120929.25e700aa , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
8040020260629123121.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
8060020260626130540.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
8080020260630025241.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.8.0-8.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.2.4-19.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:2.4.5-26.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.6.1-22.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
Date Public
2026-06-04 21:00
Credits
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CVE-2026-10722 (GCVE-0-2026-10722)
Vulnerability from cvelistv5 – Published: 2026-06-03 10:45 – Updated: 2026-06-03 14:07 X_Open Source
VLAI
EPSS
VEX
Title
cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow
Summary
A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollectionSpec/LoadCollectionSpecFromReader. Such manipulation of the argument offset leads to integer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The name of the patch is 533dfc82fd228bfadf42ea7180c39de7d9af47fa. A patch should be applied to remediate this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/368091 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/368091/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-10722 | third-party-advisory |
| https://vuldb.com/submit/818291 | third-party-advisory |
| https://github.com/cilium/ebpf/issues/2019 | issue-tracking |
| https://github.com/cilium/ebpf/pull/2021 | issue-trackingpatch |
| https://gist.github.com/thesmartshadow/256bff0f80… | exploit |
| https://github.com/cilium/ebpf/commit/533dfc82fd2… | patch |
| https://github.com/cilium/ebpf/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cilium | ebpf |
Affected:
0.1
Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5 Affected: 0.6 Affected: 0.7 Affected: 0.8 Affected: 0.9 Affected: 0.10 Affected: 0.11 Affected: 0.12 Affected: 0.13 Affected: 0.14 Affected: 0.15 Affected: 0.16 Affected: 0.17 Affected: 0.18 Affected: 0.19 Affected: 0.20 Affected: 0.21.0 cpe:2.3:a:cilium:ebpf:*:*:*:*:*:*:*:* |
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"time": "2026-06-03T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-03T15:57:51.000Z",
"value": "VulDB entry last update"
}
],
"title": "cilium ebpf LoadCollectionSpec/LoadCollectionSpecFromReader btf.go loadRawSpec integer overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-10722",
"datePublished": "2026-06-03T10:45:10.269Z",
"dateReserved": "2026-06-03T05:17:10.007Z",
"dateUpdated": "2026-06-03T14:07:17.819Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Requirements
Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- If possible, choose a language or compiler that performs automatic bounds checking.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Use libraries or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-8
Implementation
Strategy: Input Validation
- Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range.
- Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
Mitigation MIT-36
Implementation
- Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7]
- Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation MIT-26
Implementation
Strategy: Compilation or Build Hardening
Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.