DescriptionIn PostgreSQL, a modified, unauthenticated server can send an unterminated string during the establishment of Kerberos transport encryption. In certain conditions a server can cause a libpq client to over-read and report an error message containing uninitialized bytes.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
postgresql-11 (PTS)buster11.16-0+deb10u1fixed
buster (security)11.20-0+deb10u1fixed
postgresql-13 (PTS)bullseye13.10-0+deb11u1vulnerable
bullseye (security)13.11-0+deb11u1vulnerable
postgresql-15 (PTS)bookworm, sid15.3-0+deb12u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
postgresql-11source(unstable)(not affected)


[bullseye] - postgresql-13 <no-dsa> (Minor issue)
- postgresql-11 <not-affected> (Vulnerable code introduced later)
Fixed in 15.2, 14.7, 13.10, 12.14;a=commitdiff;h=3f7342671341a7a137f2d8b06ab3461cdb0e1d88 (REL_12_14)
GSSAPI encryption support introduced in;a=commitdiff;h=b0b39f72b9904bcb80f97b35837ccff1578aa4b8 (REL_12_BETA1)

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