Security update for gzip
Description
A global buffer overflow vulnerability (CVE-2026-41992) exists in the LZH decompression logic of GNU gzip due to improper reuse of shared global state between different decompression formats. This flaw can lead to out-of-bounds reads, potentially causing information disclosure or denial of service. The vulnerability affects multiple gzip versions and has been addressed by security updates from vendors including Red Hat and SUSE.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-41992 is a global buffer overflow vulnerability in the LZH decompression logic of GNU gzip. The issue arises from improper reuse of shared global state between different decompression formats, which can cause out-of-bounds reads. This vulnerability may lead to information disclosure or denial of service conditions. Multiple versions of gzip are affected, and security updates have been released by vendors such as Red Hat and SUSE to address the flaw.
Potential Impact
The vulnerability can cause out-of-bounds reads during decompression, which may result in information disclosure or denial of service. There are no known exploits in the wild at this time. The impact is considered medium severity based on the potential for these outcomes.
Mitigation Recommendations
Security updates addressing CVE-2026-41992 are available from vendors including Red Hat and SUSE. Users should apply the official patches provided by their distribution vendors to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisories.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:37764
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a9c2588acd9273b49fa88be
Added to database: 09/05/2026, 14:22:00 UTC
Last enriched: 10/12/2026, 22:36:32 UTC
Last updated: 10/19/2026, 18:48:20 UTC
Views: 74
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