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CVE-2012-0864
Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers…
- 6.8MediumCVSS base score
- 2.7%Exploitation in 30 daysEPSS · top 14% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.
Timeline
ID reserved
By redhat
- 16 months later
· 16 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
9
- RHSA-2012:0531 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 52201 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2012:0393 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2012:0397 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://sourceware.org/git/?p=glibc.git%3Ba=commitdiff%3Bh=7c1f4834d398163d1ac8101e35e9c36fc3176e6e (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2012:0488 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [libc-alpha] 20120202 [PATCH] vfprintf: validate nargs and positional offsets (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=794766 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.phrack.org/issues.html?issue=67&id=9#article (opens in a new tab)x_refsource_MISCx_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)
- EUVD EUVD-2012-0889 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-0864)Record last updated .