CVE-2015-8389

NameCVE-2015-8389
DescriptionPCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pcre3 (PTS)buster2:8.39-12fixed
bullseye2:8.39-13fixed
sid, trixie, bookworm2:8.39-15fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pcre3sourcesqueeze(not affected)
pcre3sourcewheezy(not affected)
pcre3sourcejessie2:8.35-3.3+deb8u2
pcre3source(unstable)2:8.38-1

Notes

[wheezy] - pcre3 <not-affected> (Vulnerable code not present)
[squeeze] - pcre3 <not-affected> (Vulnerable code not present)
Fixed in 8.38
Fixed by: http://vcs.pcre.org/pcre?view=revision&revision=1577
First bad commit: http://vcs.pcre.org/pcre?view=revision&revision=1440
Only after r1577 looks like there is another new issue (stack-buffer-underflow, READ of size 4 when running PoC)

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