CVE-2022-48564

NameCVE-2022-48564
Descriptionread_ints in plistlib.py in Python through 3.9.1 is vulnerable to a potential DoS attack via CPU and RAM exhaustion when processing malformed Apple Property List files in binary format.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3614-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pypy3 (PTS)buster7.0.0+dfsg-3vulnerable
bullseye (security), bullseye7.3.5+dfsg-2+deb11u2fixed
bookworm7.3.11+dfsg-2+deb12u1fixed
sid, trixie7.3.16+dfsg-2fixed
python2.7 (PTS)buster2.7.16-2+deb10u1fixed
buster (security)2.7.16-2+deb10u4fixed
bullseye2.7.18-8+deb11u1fixed
python3.7 (PTS)buster3.7.3-2+deb10u3vulnerable
buster (security)3.7.3-2+deb10u7fixed
python3.9 (PTS)bullseye3.9.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pypy3source(unstable)7.3.5+dfsg-2
python2.7source(unstable)(not affected)
python3.7sourcebuster3.7.3-2+deb10u6DLA-3614-1
python3.7source(unstable)(unfixed)
python3.9source(unstable)3.9.1~rc1-1

Notes

- python2.7 <not-affected> (In 2.7, the plistlib parser only supports XML and not the affected binary format)
https://bugs.python.org/issue42103
https://github.com/python/cpython/issues/86269
https://github.com/python/cpython/commit/34637a0ce21e7261b952fbd9d006474cc29b681f (v3.10.0a2)
https://github.com/python/cpython/commit/e277cb76989958fdbc092bf0b2cb55c43e86610a (v3.9.1rc1)
https://github.com/python/cpython/commit/547d2bcc55e348043b2f338027c1acd9549ada76 (v3.8.7rc1)
https://github.com/python/cpython/commit/225e3659556616ad70186e7efc02baeebfeb5ec4 (v3.7.10)
https://github.com/python/cpython/commit/a63234c49b2fbfb6f0aca32525e525ce3d43b2b4 (v3.6.13)

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