Integer overflow in Freedesktop Poppler
CVE-2026-102621
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.
Published .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Freedesktop Poppler — versions 26.08
Weakness classification (CWE)
References
- vuldb.com/vuln/411411 (technical-description, vdb-entry)
- vuldb.com/vuln/411411/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-102621 (third-party-advisory)
- vuldb.com/submit/942349 (third-party-advisory)
- gitlab.freedesktop.org/poppler/poppler/-/work_items/1763 (related)
- gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2325 (patch)
- github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-SplashClip-… (exploit)
- gitlab.freedesktop.org/poppler/poppler/-/commit/323c91036d99926a8b90dc14329f7b4… (patch)
Frequently asked questions
- What is CVE-2026-102621?
- CVE-2026-102621 is a low-severity vulnerability in Freedesktop Poppler, classified under CWE-189. CVSS score: 3.3/10. Published 2026-09-29.
- How severe is CVE-2026-102621?
- Low severity. CVSS v3 base score is 3.3 out of 10.