Bug#1018971: poppler: CVE-2022-38784

[Salvatore Bonaccorso]

Source: poppler
Version: 22.08.0-2
Severity: grave
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for poppler.

CVE-2022-38784[0]:
| Poppler prior to and including 22.08.0 contains an integer overflow in
| the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIGStream.cc).
| Processing a specially crafted PDF file or JBIG2 image could lead to a
| crash or the execution of arbitrary code. This is similar to the
| vulnerability described by CVE-2022-38171 in Xpdf.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-38784
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-38784
[1] https://gitlab.freedesktop.org/poppler/poppler/-/commit/27354e9d9696ee2bc063910a6c9a6b27c5184a52
[2] https://gist.github.com/zmanion/b2ed0d1a0cec163ecd07d5e3d9740dc6

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore