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CVE-2013-4332
Multiple integer overflows in malloc/malloc.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allow context-dependent attackers…
- 4.3MediumCVSS base score
- 2.6%Exploitation in 30 daysEPSS · top 14% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Multiple integer overflows in malloc/malloc.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allow context-dependent attackers to cause a denial of service (heap corruption) via a large value to the (1) pvalloc, (2) valloc, (3) posix_memalign, (4) memalign, or (5) aligned_alloc functions.
Timeline
ID reserved
By redhat
- 4 months later
· 4 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 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.6% · top 14% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
13
- RHSA-2013:1605 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4332 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 55113 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1991-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20130912 Re: CVE Request: Three integer overflows in glibc memory allocator (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- MDVSA-2013:284 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 62324 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201503-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2013:1411 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- MDVSA-2013:283 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=15857 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=15856 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=15855 (opens in a new tab)x_refsource_CONFIRMx_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-2013-4218 (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-2013-4332)Record last updated .