CVE-2026-93313: Freedesktop Poppler
Affects popplerSource GCVE Database
Public exploit available · CVSS 5.3 Medium · fixed in 22.02.0-2ubuntu0.14 : patch poppler as a priority.
Data as of 7 Nov 2026, 23:24 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 22.02.0-2ubuntu0.14, 24.02.0-1ubuntu9.10, 26.01.0-2ubuntu0.2
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:PExploitation evidence
Disclosed: evidence found.
CVE published 18 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Upgrade the Ubuntu poppler to 22.02.0-2ubuntu0.14 (package) or 24.02.0-1ubuntu9.10 (package) or 26.01.0-2ubuntu0.2 (package).
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 22.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=jammyOther threats | Affected
| Fixed in
|
Ubuntu Pro 20.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=esm-infra/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 16.04 LTSpopplerpkg:deb/ubuntu/poppler?arch=source&distro=esm-infra/xenialOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch addressing this vulnerability is available and should be applied. Ubuntu users should update to the fixed package versions: 22.02.0-2ubuntu0.14 for Ubuntu 22.04 LTS, 24.02.0-1ubuntu9.10 for Ubuntu 24.04 LTS, and 26.01.0-2ubuntu0.2 for Ubuntu 26.04 LTS. Standard system updates will apply the necessary fixes. No additional mitigation is required once patched.
Description
An integer overflow vulnerability exists in the JBIG2Stream::readCodeTableSeg function of Freedesktop Poppler 26.07.0 and earlier versions. This flaw can be triggered remotely by opening a specially crafted file, potentially causing Poppler to crash or execute arbitrary code. The issue has a CVSS score of 6.3 (medium severity). A patch is available and has been released in updated package versions for Ubuntu 22.04 LTS, 24.04 LTS, and 26.04 LTS.
References
- ubuntu.com/security/CVE-2026-93313 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-93313 (opens in a new tab)
- gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322 (opens in a new tab)
- github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md (opens in a new tab)
- vuldb.com/cve/CVE-2026-93313 (opens in a new tab)
- vuldb.com/submit/942346 (opens in a new tab)
- vuldb.com/vuln/406612 (opens in a new tab)
- vuldb.com/vuln/406612/cti (opens in a new tab)
- ubuntu.com/security/notices/USN-8894-1 (opens in a new tab)