CVE-2007-4768

NameCVE-2007-4768
DescriptionHeap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1399-1, DSA-1570-1, DTSA-77-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
glib2.0 (PTS)jessie, jessie (lts)2.42.1-1+deb8u6fixed
stretch (security)2.50.3-2+deb9u3fixed
stretch (lts), stretch2.50.3-2+deb9u5fixed
buster2.58.3-2+deb10u3fixed
buster (security)2.58.3-2+deb10u5fixed
bullseye2.66.8-1+deb11u1fixed
bookworm2.74.6-2fixed
trixie2.78.4-1fixed
sid2.78.4-6fixed
pcre3 (PTS)jessie2:8.35-3.3+deb8u4fixed
stretch2:8.39-3fixed
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
glib2.0source(unstable)2.14.3-1unimportant
kazehakasesourceetch0.4.2-1etch1DSA-1570-1
kazehakasesource(unstable)0.5.2-1
pcre3sourcesarge4.5+7.4-1DSA-1399-1
pcre3sourceetch6.7+7.4-2DSA-1399-1
pcre3sourcelenny6.7+7.4-2+lenny1DTSA-77-1
pcre3source(unstable)7.3-1

Notes

glib only embeds pcre in the udeb, no attack vector

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