CVE-2026-93313
Published: September 23, 2026Last modified: October 7, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | poppler | Unknown (22.11.0-r0) |
| 25 LTS | poppler | Unknown (25.04.0-r0) | |
| Stream | poppler | Unknown (23.03.0-r1) |
References
- https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760
- https://vuldb.com/cve/CVE-2026-93313
- https://vuldb.com/submit/942346
- https://vuldb.com/vuln/406612
- https://vuldb.com/vuln/406612/cti