Red Hat Security Advisory: perl:5.32 security update
Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl-Archive-Tar: perl-Archive-Tar: Denial of Service via crafted tar header with large entry size (CVE-2026-9538) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2026-9538 is a denial of service vulnerability in the perl-Archive-Tar module of Perl 5.32. It occurs when processing a crafted tar header containing a large entry size, which can cause resource exhaustion or application disruption. Red Hat Product Security has released an important security update for Red Hat Enterprise Linux 8 to fix this issue. The advisory references Red Hat Security Advisory RHSA-2026:48225 and provides updated packages for various architectures and extended life cycle versions of RHEL 8.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition by consuming excessive resources when processing malicious tar headers. This may disrupt applications or services that use the perl-Archive-Tar module for handling tar archives. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the perl:5.32 module in Red Hat Enterprise Linux 8 to address this vulnerability. Users should apply the update as described in Red Hat advisory RHSA-2026:48225 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: perl:5.32 security update
Description
Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl-Archive-Tar: perl-Archive-Tar: Denial of Service via crafted tar header with large entry size (CVE-2026-9538) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9538 is a denial of service vulnerability in the perl-Archive-Tar module of Perl 5.32. It occurs when processing a crafted tar header containing a large entry size, which can cause resource exhaustion or application disruption. Red Hat Product Security has released an important security update for Red Hat Enterprise Linux 8 to fix this issue. The advisory references Red Hat Security Advisory RHSA-2026:48225 and provides updated packages for various architectures and extended life cycle versions of RHEL 8.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition by consuming excessive resources when processing malicious tar headers. This may disrupt applications or services that use the perl-Archive-Tar module for handling tar archives. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the perl:5.32 module in Red Hat Enterprise Linux 8 to address this vulnerability. Users should apply the update as described in Red Hat advisory RHSA-2026:48225 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:48225
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a6ae52a9c2644c7f8985ae2
Added to database: 07/30/2026, 05:46:18 UTC
Last enriched: 07/30/2026, 06:55:19 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 2
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