CWE-193
Off-by-one Error
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
CVE-2026-22593 (GCVE-0-2026-22593)
Vulnerability from cvelistv5 – Published: 2026-03-26 13:49 – Updated: 2026-03-28 02:20
VLAI
Title
EVerest has off-by-one stack buffer overflow in IsoMux certificate filename parsing
Summary
EVerest is an EV charging software stack. Prior to version 2026.02.0, an off-by-one check in IsoMux certificate filename handling causes a stack-based buffer overflow when a filename length equals `MAX_FILE_NAME_LENGTH` (100). A crafted filename in the certificate directory can overflow `file_names[idx]`, corrupting stack state and enabling potential code execution. Version 2026.02.0 contains a patch.
Severity
8.4 (High)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/EVerest/EVerest/security/advis… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EVerest | everest-core |
Affected:
< 2026.02.0
|
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CVE-2026-26309 (GCVE-0-2026-26309)
Vulnerability from cvelistv5 – Published: 2026-03-10 19:04 – Updated: 2026-03-10 20:12
VLAI
Title
Envoy has an off-by-one write in JsonEscaper::escapeString()
Summary
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, an off-by-one write in Envoy::JsonEscaper::escapeString() can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the resulting string is later treated as a C-string. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
Severity
5.3 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/envoyproxy/envoy/security/advi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| envoyproxy | envoy |
Affected:
>= 1.37.0, < 1.37.1
Affected: >= 1.36.0, < 1.36.5 Affected: >= 1.35.0, < 1.35.9 Affected: < 1.34.13 |
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CVE-2026-2703 (GCVE-0-2026-2703)
Vulnerability from cvelistv5 – Published: 2026-02-19 04:02 – Updated: 2026-02-24 01:40 X_Open Source
VLAI
Title
xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one
Summary
A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called f2d7bf494e5c52706843cf7eb9892821bffb0734. Applying a patch is advised to resolve this issue.
Severity
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.346649 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.346649 | signaturepermissions-required |
| https://vuldb.com/?submit.754377 | third-party-advisory |
| https://github.com/xlnt-community/xlnt/issues/137 | issue-tracking |
| https://github.com/oneafter/0128/blob/main/xl1/repro | exploit |
| https://github.com/xlnt-community/xlnt/commit/f2d… | patch |
| https://github.com/xlnt-community/xlnt/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xlnt-community | xlnt |
Affected:
1.6.0
Affected: 1.6.1 |
Credits
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CVE-2026-28520 (GCVE-0-2026-28520)
Vulnerability from cvelistv5 – Published: 2026-03-15 13:35 – Updated: 2026-03-16 14:20
VLAI
Title
arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution
Summary
arduino-TuyaOpen before version 1.2.1 contains a single-byte buffer overflow vulnerability in the WiFiMulti component. When the victim's smart hardware connects to an attacker-controlled AP hotspot, the attacker can exploit the overflow to execute arbitrary code on the affected embedded device.
Severity
CWE
- CWE-193 - Off-by-one Error
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://src.tuya.com/announcement/32 | vendor-advisory |
| https://github.com/tuya/arduino-TuyaOpen | product |
| https://www.vulncheck.com/advisories/arduino-tuya… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tuya | arduino-TuyaOpen |
Affected:
0 , < 1.2.1
(semver)
|
Date Public
2026-03-11 00:00
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CVE-2026-31988 (GCVE-0-2026-31988)
Vulnerability from cvelistv5 – Published: 2026-03-11 22:58 – Updated: 2026-03-12 13:40
VLAI
Title
yauzl 3.2.0 - Denial of Service via Off-by-One Error in NTFS Timestamp Parser
Summary
yauzl (aka Yet Another Unzip Library) version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate() function. The while loop condition checks cursor < data.length + 4 instead of cursor + 4 <= data.length, allowing readUInt16LE() to read past the buffer boundary. A remote attacker can cause a denial of service (process crash via ERR_OUT_OF_RANGE exception) by sending a crafted zip file with a malformed NTFS extra field. This affects any Node.js application that processes zip file uploads and calls entry.getLastModDate() on parsed entries. Fixed in version 3.2.1.
Severity
5.3 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/thejoshwolfe/yauzl/commit/c469… | patch |
| https://www.codeant.ai/security-research/yauzl-de… | third-party-advisory |
| https://www.npmjs.com/package/yauzl | product |
| https://www.vulncheck.com/advisories/yauzl-denial… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| thejoshwolfe | yauzl |
Affected:
3.2.0 , < 3.2.1
(semver)
Unaffected: 3.2.1 |
Date Public
2026-02-28 00:00
Credits
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CVE-2026-32605 (GCVE-0-2026-32605)
Vulnerability from cvelistv5 – Published: 2026-04-13 18:54 – Updated: 2026-04-16 13:26
VLAI
Title
Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer
Summary
nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer == validators.num_validators(). ProposalSender::send uses > instead of >= for the signer bounds check, so the equality case passes and reaches validators.get_validator_by_slot_band(signer), which panics with an out-of-bounds index before any signature verification runs. This issue has been fixed in version 1.3.0.
Severity
7.5 (High)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/nimiq/core-rs-albatross/securi… | x_refsource_CONFIRM |
| https://github.com/nimiq/core-rs-albatross/pull/3661 | x_refsource_MISC |
| https://github.com/nimiq/core-rs-albatross/commit… | x_refsource_MISC |
| https://github.com/nimiq/core-rs-albatross/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nimiq | core-rs-albatross |
Affected:
< 1.3.0
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CVE-2026-33997 (GCVE-0-2026-33997)
Vulnerability from cvelistv5 – Published: 2026-03-31 01:36 – Updated: 2026-04-02 03:55
VLAI
Title
Moby: Off-by-one error in plugin privilege validation
Summary
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Severity
6.8 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/moby/moby/releases/tag/docker-… | x_refsource_MISC |
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CVE-2026-34085 (GCVE-0-2026-34085)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:54 – Updated: 2026-04-02 17:50
VLAI
Summary
fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c.
Severity
5.9 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| fontconfig project | fontconfig |
Affected:
0 , < 2.17.1
(semver)
|
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CVE-2026-40254 (GCVE-0-2026-40254)
Vulnerability from cvelistv5 – Published: 2026-04-24 02:24 – Updated: 2026-04-24 12:06
VLAI
Title
FreeRDP: contains_dotdot() off-by-one allows drive channel path traversal via terminal ..
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Versions prior to 3.25.0 have an off-by-one in the path traversal filter in `channels/drive/client/drive_file.c`. The `contains_dotdot()` function catches `../` and `..\` mid-path but misses `..` when it's the last component with no trailing separator. A rogue RDP server can read, list, or write files one directory above the client's shared folder through RDPDR requests. This requires the victim to connect with drive redirection enabled. Version 3.25.0 patches the issue.
Severity
4.2 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
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CVE-2026-40312 (GCVE-0-2026-40312)
Vulnerability from cvelistv5 – Published: 2026-04-13 21:43 – Updated: 2026-04-14 19:27
VLAI
Title
ImageMagick: Off-by-One in MSL decoder could result in crash
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, an off by one error in the MSL decoder could result in a crash when a malicous MSL file is read. This issue has been fixed in version 7.1.2-19.
Severity
6.2 (Medium)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| https://github.com/ImageMagick/ImageMagick/commit… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick/releas… | x_refsource_MISC |
| https://github.com/dlemstra/Magick.NET/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.2-19
|
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}
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"url": "https://github.com/ImageMagick/ImageMagick/commit/2a06c7be3bba3326caf8b7a8d1fa2e0d4b88998d"
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{
"name": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19",
"tags": [
"x_refsource_MISC"
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"url": "https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"
},
{
"name": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0",
"tags": [
"x_refsource_MISC"
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"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"
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"discovery": "UNKNOWN"
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Mitigation
Phase: Implementation
Description:
- When copying character arrays or using character manipulation methods, the correct size parameter must be used to account for the null terminator that needs to be added at the end of the array. Some examples of functions susceptible to this weakness in C include strcpy(), strncpy(), strcat(), strncat(), printf(), sprintf(), scanf() and sscanf().
No CAPEC attack patterns related to this CWE.