Security update for polkit
Description
A denial of service vulnerability (CVE-2026-4897) exists in the polkit-agent-helper-1 component of polkit, affecting multiple versions of Red Hat Enterprise Linux 10 and related distributions. The flaw is due to unbounded input processing via standard input, which can lead to resource exhaustion and an out-of-memory condition. Red Hat has rated this issue as moderate severity and has released a security update to address it.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-4897 is a denial of service vulnerability in the polkit-agent-helper-1 component of polkit. The vulnerability arises from unbounded input processing through standard input, potentially causing resource exhaustion through an out-of-memory condition. This affects multiple versions of Red Hat Enterprise Linux 10 and related distributions. Red Hat has issued a security update to fix this vulnerability and rated it as moderate severity.
Potential Impact
The vulnerability can cause denial of service by exhausting system resources due to unbounded input processing, leading to an out-of-memory condition. This may disrupt normal system operations on affected Red Hat Enterprise Linux 10 systems and related distributions.
Mitigation Recommendations
Red Hat has released an official security update that fixes this vulnerability. Users should apply the security update as described in the Red Hat advisory RHSA-2026:59997. For detailed update instructions, refer to https://access.redhat.com/articles/11258. Systems updated with this patch are no longer vulnerable.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:59997
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a96f310acd9273b49e49256
Added to database: 09/01/2026, 15:45:20 UTC
Last enriched: 10/12/2026, 22:40:46 UTC
Last updated: 10/15/2026, 06:48:16 UTC
Views: 52
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