CVE-2026-93313
Freedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflow
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 18, 2026
- Updated
- Sep 18, 2026
- Reserved
- Sep 17, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
PopplerFreedesktop |
|
References
- VDB-406612 | Freedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflowvdb-entrytechnical-description
- VDB-406612 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-93313 | CVE Analysis and Reportthird-party-advisory
- Submit #942346 | freedesktop.org Poppler 26.07.0 Integer Overflowthird-party-advisory
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760related
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322patch
- https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.mdexploit
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322patch
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