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CVE-2018-6485
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and…
Critical9.8EPSS 4.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.7% · top 8.2% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (9)
- https://sourceware.org/bugzilla/show_bug.cgi?id=22343 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 102912 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://bugs.debian.org/878159 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3092 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20190404-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (opens in a new tab)x_refsource_MISCx_transferred
- RHBA-2019:0327 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-4218-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4416-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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)
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[](https://trackcve.app/cve/CVE-2018-6485)Record last updated .