DescriptionBuffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs603162

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python2.7 (PTS)buster2.7.16-2+deb10u1fixed
buster (security)2.7.16-2+deb10u4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.6source(unstable)(not affected)
python2.7source(unstable)(not affected)
python3.1source(unstable)(not affected)


- python3.1 <not-affected> (rgbimgmodule no longer included in source)
- python2.7 <not-affected> (rgbimgmodule no longer included in source)
- python2.6 <not-affected> (rgbimgmodule no longer included in source)
[lenny] - python2.5 <no-dsa> (Minor issue)
[lenny] - python2.4 <no-dsa> (Minor issue)

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