CVE-2022-48560

NameCVE-2022-48560
DescriptionA use-after-free exists in Python through 3.9 via heappushpop in heapq.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3575-1, DLA-3614-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python2.7 (PTS)buster2.7.16-2+deb10u1vulnerable
buster (security)2.7.16-2+deb10u3fixed
bullseye2.7.18-8+deb11u1fixed
python3.7 (PTS)buster3.7.3-2+deb10u3vulnerable
buster (security)3.7.3-2+deb10u6fixed
python3.9 (PTS)bullseye3.9.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.7sourcebuster2.7.16-2+deb10u3DLA-3575-1
python2.7sourcebullseye2.7.18-8+deb11u1
python2.7source(unstable)(unfixed)
python3.7sourcebuster3.7.3-2+deb10u6DLA-3614-1
python3.7source(unstable)3.7.7-1
python3.9source(unstable)(not affected)

Notes

- python3.9 <not-affected> (Fixed before initial upload to the archive)
https://bugs.python.org/issue39421
https://github.com/python/cpython/issues/83602
https://github.com/python/cpython/commit/79f89e6e5a659846d1068e8b1bd8e491ccdef861 (v3.9.0a3)
https://github.com/python/cpython/commit/993811ffe75c2573f97fb3fd1414b34609b8c8db (v3.8.2rc1)
https://github.com/python/cpython/commit/958064f8d2b84062b0582bbae911df8ccfc11fd6 (v3.7.7rc1)
https://github.com/python/cpython/commit/c563f409ea30bcb0623d785428c9257917371b76 (v3.6.11rc1)

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