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OESA-2023-1433 (CVE-2016-9840)
Vulnerability from osv_openeuler – Published: 2023-07-17 11:05 – Updated: 2026-08-06 11:05 – Source website
VLAI
Summary
syslinux security update
Details
Security Fix(es):
inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.(CVE-2016-9840)
The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.(CVE-2016-9842)
CVE-2016-9840:inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. CVE-2016-9841:inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. CVE-2016-9842:The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers. CVE-2016-9843:The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.(CVE-2016-9843)
Severity
9.8 (Critical)
References
| URL | Type | |
|---|---|---|
{
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"syslinux-efi64-6.04-12.oe1.x86_64.rpm",
"syslinux-6.04-12.oe1.x86_64.rpm"
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{
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{
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{
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"syslinux-6.04-12.oe1.x86_64.rpm",
"syslinux-perl-6.04-12.oe1.x86_64.rpm",
"syslinux-debugsource-6.04-12.oe1.x86_64.rpm",
"syslinux-devel-6.04-12.oe1.x86_64.rpm",
"syslinux-efi64-6.04-12.oe1.x86_64.rpm",
"syslinux-debuginfo-6.04-12.oe1.x86_64.rpm"
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{
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},
{
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"syslinux-nonlinux-6.04-14.oe2203.noarch.rpm",
"syslinux-tftpboot-6.04-14.oe2203.noarch.rpm",
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"syslinux-nonlinux-6.04-14.oe2203sp1.noarch.rpm",
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"syslinux-extlinux-nonlinux-6.04-14.oe2203sp2.noarch.rpm",
"syslinux-nonlinux-6.04-14.oe2203sp2.noarch.rpm",
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],
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"syslinux-6.04-14.oe2203sp2.src.rpm"
],
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"syslinux-extlinux-6.04-14.oe2203sp1.x86_64.rpm",
"syslinux-debuginfo-6.04-14.oe2203sp1.x86_64.rpm",
"syslinux-efi64-6.04-14.oe2203sp1.x86_64.rpm",
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"syslinux-6.04-14.oe2203sp1.x86_64.rpm",
"syslinux-devel-6.04-14.oe2203sp1.x86_64.rpm",
"syslinux-efi64-6.04-14.oe2203sp2.x86_64.rpm",
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],
"database_specific": {
"severity": "Critical"
},
"details": "\r\n\r\nSecurity Fix(es):\r\n\r\ninftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.(CVE-2016-9840)\r\n\r\nThe inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.(CVE-2016-9842)\r\n\r\nCVE-2016-9840:inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. CVE-2016-9841:inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. CVE-2016-9842:The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers. CVE-2016-9843:The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.(CVE-2016-9843)",
"id": "OESA-2023-1433",
"modified": "2026-08-06T11:05:53Z",
"published": "2023-07-17T11:05:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1433"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9840"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9842"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9843"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "syslinux security update",
"upstream": [
"CVE-2016-9840",
"CVE-2016-9842",
"CVE-2016-9843"
]
}
CVE-2016-9840 (GCVE-0-2016-9840)
Vulnerability from cvelistv5 – Published: 2017-05-23 03:56 – Updated: 2026-07-14 11:44
VLAI
EPSS
VEX
Summary
inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
31 references
Date Public
2016-09-30 00:00
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CVE-2016-9842 (GCVE-0-2016-9842)
Vulnerability from cvelistv5 – Published: 2017-05-23 03:56 – Updated: 2026-07-14 11:44
VLAI
EPSS
VEX
Summary
The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-04 16:34 UTC
CWE
- n/a
- CWE-1335 - Incorrect Bitwise Shift of Integer
Assigner
References
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Date Public
2016-09-30 00:00
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CVE-2016-9843 (GCVE-0-2016-9843)
Vulnerability from cvelistv5 – Published: 2017-05-23 03:56 – Updated: 2024-08-06 02:59
VLAI
EPSS
VEX
Summary
The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
33 references
Date Public
2016-09-30 00:00
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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