Bug#1149698: poppler: CVE-2026-102621

[Salvatore Bonaccorso]

Package: poppler
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: upstream security
Forwarded: https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1763

Hi,

The following vulnerability was published for poppler.

CVE-2026-102621[0]:
| A vulnerability was identified in Freedesktop Poppler up to 26.08.0.
| Affected is the function SplashClip::clipToPath of the file
| splash/SplashClip.cc. Such manipulation leads to integer overflow.
| The attack can only be performed from a local environment. The
| exploit is publicly available and might be used. Upgrading to
| version 26.09.0 is able to address this issue. The name of the patch
| is 323c91036d99926a8b90dc14329f7b40aece22f8. It is recommended to
| upgrade the affected component.


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-2026-102621
    https://www.cve.org/CVERecord?id=CVE-2026-102621
[1] https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1763
[2] https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2325
[3] https://gitlab.freedesktop.org/poppler/poppler/-/commit/323c91036d99926a8b90dc14329f7b40aece22f8

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore