Integer overflow in Freedesktop Poppler
CVE-2026-93313
A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Performing a manipulation results in integer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named eb87cf711563894649bd0c365baa479401dc6d51. To fix this issue, it is recommended to deploy a patch.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (15.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.002 · change: -0.002
Affected products
- Freedesktop Poppler — versions 26.07.0
Weakness classification (CWE)
References
- vuldb.com/vuln/406612 (technical-description, vdb-entry)
- vuldb.com/vuln/406612/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-93313 (third-party-advisory)
- vuldb.com/submit/942346 (third-party-advisory)
- gitlab.freedesktop.org/poppler/poppler/-/work_items/1760 (related)
- gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322 (patch)
- github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream… (exploit)
- gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479… (patch)
Frequently asked questions
- What is CVE-2026-93313?
- CVE-2026-93313 is a medium-severity vulnerability in Freedesktop Poppler, classified under CWE-189. CVSS score: 6.3/10. Published 2026-09-18.
- How severe is CVE-2026-93313?
- Medium severity. CVSS v3 base score is 6.3 out of 10.