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CVE-2014-8964

Publication date 16 December 2014

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Heap-based buffer overflow in PCRE 8.36 and earlier allows remote attackers to cause a denial of service (crash) or have other unspecified impact via a crafted regular expression, related to an assertion that allows zero repeats.

Read the notes from the security team

Status

Package Ubuntu Release Status
mariadb-10.0 15.10 wily
Fixed 10.0.20-0ubuntu0.15.04.1
15.04 vivid
Fixed 10.0.20-0ubuntu0.15.04.1
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
pcre3 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic Ignored
14.04 LTS trusty
Fixed 1:8.31-2ubuntu2.1
12.04 LTS precise
Not affected
10.04 LTS lucid Ignored

Notes

seth-arnold

exploiting this requires allowing untrusted input as the regular expression; that's usually not allowed for performance reasons but the regex engine shouldn't allow overflows on untrusted inputs.

mdeslaur

reproducer in upstream bug does not reproduce in precise

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pcre3

References

Related Ubuntu Security Notices (USN)

Other references