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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…
Critical9.8EPSS 5.8%
- Published
- Updated
- Reserved
- Assigned by
- microfocus
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 5.8% · top 6.9% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (33)
- RHSA-2017:1221 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1220 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:3047 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20161205 Re: CVE Request: zlib security issues found during audit (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 95131 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1041888 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:3046 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2017:0077 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201701-56 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 1039427 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:1222 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2017:0080 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2017:3453 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2016:3202 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2017:2999 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20190324 [SECURITY] [DLA 1725-1] rsync security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4246-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20200129 [SECURITY] [DLA 2085-1] zlib security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4292-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/security-alerts/cpujul2020.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT208144 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT208113 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT208112 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/HT208115 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://wiki.mozilla.org/images/0/09/Zlib-report.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1402351 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20181018-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-202007-54 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .