CVE-2026-93312: NULL Pointer Dereference in Freedesktop Poppler
CVE-2026-93312 is a medium severity vulnerability in Freedesktop Poppler version 26.07.0. It involves a null pointer dereference in the JBIG2Stream::rewind function within the poppler/JBIG2Stream.cc file. This flaw can be triggered remotely and requires user interaction. An exploit has been published. Upgrading to Poppler version 26.08.0 addresses this issue.
AI Analysis
Technical Summary
The vulnerability CVE-2026-93312 affects Freedesktop Poppler 26.07.0 in the JBIG2Stream::rewind function, causing a null pointer dereference. This can be triggered remotely with user interaction, potentially leading to a denial of service or application crash. The issue is fixed in version 26.08.0. The patch is identified by commit 5e49250f13b0390edeb3f90eb4c02c9941f97067. Exploit code has been published, indicating potential for exploitation.
Potential Impact
Successful exploitation of this vulnerability can cause a null pointer dereference, likely resulting in a denial of service by crashing the application processing the malicious input. There is no indication of privilege escalation or data confidentiality impact. The attack can be initiated remotely and requires user interaction.
Mitigation Recommendations
Upgrade Freedesktop Poppler to version 26.08.0 or later, which contains the official fix for this vulnerability. Applying this update will mitigate the risk. No other mitigation is indicated by the vendor advisory.
CVE-2026-93312: NULL Pointer Dereference in Freedesktop Poppler
Description
CVE-2026-93312 is a medium severity vulnerability in Freedesktop Poppler version 26.07.0. It involves a null pointer dereference in the JBIG2Stream::rewind function within the poppler/JBIG2Stream.cc file. This flaw can be triggered remotely and requires user interaction. An exploit has been published. Upgrading to Poppler version 26.08.0 addresses this issue.
CVSS v4.0
Score 5.3medium
Affected software
Freedesktop
Poppler
cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-93312 affects Freedesktop Poppler 26.07.0 in the JBIG2Stream::rewind function, causing a null pointer dereference. This can be triggered remotely with user interaction, potentially leading to a denial of service or application crash. The issue is fixed in version 26.08.0. The patch is identified by commit 5e49250f13b0390edeb3f90eb4c02c9941f97067. Exploit code has been published, indicating potential for exploitation.
Potential Impact
Successful exploitation of this vulnerability can cause a null pointer dereference, likely resulting in a denial of service by crashing the application processing the malicious input. There is no indication of privilege escalation or data confidentiality impact. The attack can be initiated remotely and requires user interaction.
Mitigation Recommendations
Upgrade Freedesktop Poppler to version 26.08.0 or later, which contains the official fix for this vulnerability. Applying this update will mitigate the risk. No other mitigation is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-17T17:13:08.412Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aac949555bf5e2cf551bcaf
Added to database: 09/18/2026, 01:32:05 UTC
Last enriched: 09/18/2026, 01:46:32 UTC
Last updated: 09/18/2026, 02:09:51 UTC
Views: 5
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