CVE-2019-12493

NameCVE-2019-12493
DescriptionA stack-based buffer over-read exists in PostScriptFunction::transform in Function.cc in Xpdf 4.01.01 because GfxSeparationColorSpace and GfxDeviceNColorSpace mishandle tint transform functions. It can, for example, be triggered by sending a crafted PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1939-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
poppler (PTS)stretch0.48.0-2+deb9u2fixed
stretch (security)0.48.0-2+deb9u3fixed
buster0.71.0-5fixed
bullseye, sid20.09.0-2fixed
xpdf (PTS)stretch3.04-4fixed
bullseye, sid, buster3.04-13fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
popplersourcejessie0.26.5-2+deb8u11DLA-1939-1
popplersource(unstable)0.44.0-2
xpdfsource(unstable)(not affected)

Notes

- xpdf <not-affected> (xpdf in Debian uses poppler, which is not affected or fixed)
https://gitlab.freedesktop.org/poppler/poppler/commit/37840827c4073dedfd37915a74eb8fe0c44843c3

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