Security update for gnome-shell
A security update for gnome-shell addresses CVE-2026-91786, which involves missing dimension validation when processing icons from a remote search provider via D-Bus. This flaw can lead to an out-of-bounds read. The vulnerability is rated medium severity. The update fixes this issue in specific SUSE gnome-shell packages.
AI Analysis
Technical Summary
CVE-2026-91786 is a vulnerability in gnome-shell where missing validation of icon dimensions received from a remote search provider over D-Bus can cause an out-of-bounds read. This issue was identified and fixed by the SUSE Product Security Team in their update for gnome-shell version 3.20.4-77.31.2 on the aarch64 platform. The vulnerability could lead to memory safety issues but no active exploitation has been reported.
Potential Impact
The vulnerability allows an out-of-bounds read due to improper validation of icon dimensions from remote search providers via D-Bus. This could result in application crashes or potential information disclosure. There are no reports of active exploitation in the wild.
Mitigation Recommendations
A security update has been released by SUSE to fix this vulnerability in gnome-shell version 3.20.4-77.31.2 for aarch64. Users should apply this official patch to remediate the issue.
Security update for gnome-shell
Description
A security update for gnome-shell addresses CVE-2026-91786, which involves missing dimension validation when processing icons from a remote search provider via D-Bus. This flaw can lead to an out-of-bounds read. The vulnerability is rated medium severity. The update fixes this issue in specific SUSE gnome-shell packages.
Affected software
pkg:rpm/suse/gnome-shellRun 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
CVE-2026-91786 is a vulnerability in gnome-shell where missing validation of icon dimensions received from a remote search provider over D-Bus can cause an out-of-bounds read. This issue was identified and fixed by the SUSE Product Security Team in their update for gnome-shell version 3.20.4-77.31.2 on the aarch64 platform. The vulnerability could lead to memory safety issues but no active exploitation has been reported.
Potential Impact
The vulnerability allows an out-of-bounds read due to improper validation of icon dimensions from remote search providers via D-Bus. This could result in application crashes or potential information disclosure. There are no reports of active exploitation in the wild.
Mitigation Recommendations
A security update has been released by SUSE to fix this vulnerability in gnome-shell version 3.20.4-77.31.2 for aarch64. Users should apply this official patch to remediate the issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- SUSE-SU-2026:4350-1
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6ab89bf2f7a7c541069421ec
Added to database: 09/27/2026, 04:30:42 UTC
Last enriched: 09/27/2026, 04:46:44 UTC
Last updated: 09/27/2026, 05:03:53 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.