Red Hat Security Advisory: libxml2 security update
A low severity vulnerability (CVE-2024-34459) was identified in the libxml2 library used in Red Hat Enterprise Linux 8.6. The issue is a buffer over-read in the xmlHTMLPrintFileContext function within xmllint.c. Red Hat has issued a security advisory and released updated packages to address this vulnerability. The advisory rates the impact as low and provides updated libxml2 packages for affected Red Hat Enterprise Linux 8.6 variants. No known exploits are reported in the wild.
AI Analysis
Technical Summary
The libxml2 library, which implements various XML standards, contains a buffer over-read vulnerability in the xmlHTMLPrintFileContext function in xmllint.c (CVE-2024-34459). This vulnerability could potentially lead to reading beyond allocated memory buffers. Red Hat has released updated libxml2 packages for Red Hat Enterprise Linux 8.6 Extended Update Support and Advanced Update Support to fix this issue. The advisory rates the security impact as low and does not provide a CVSS score. No known exploits are reported in the wild.
Potential Impact
The vulnerability involves a buffer over-read, which may cause information disclosure or application instability when processing specially crafted XML content. The security impact is rated as low by Red Hat, indicating limited risk or difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated libxml2 packages for Red Hat Enterprise Linux 8.6 Extended Update Support and Advanced Update Support that address this vulnerability. Users should apply these official updates as detailed in Red Hat advisory RHSA-2026:27737 and the referenced article https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerability. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: libxml2 security update
Description
A low severity vulnerability (CVE-2024-34459) was identified in the libxml2 library used in Red Hat Enterprise Linux 8.6. The issue is a buffer over-read in the xmlHTMLPrintFileContext function within xmllint.c. Red Hat has issued a security advisory and released updated packages to address this vulnerability. The advisory rates the impact as low and provides updated libxml2 packages for affected Red Hat Enterprise Linux 8.6 variants. No known exploits are reported in the wild.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libxml2 library, which implements various XML standards, contains a buffer over-read vulnerability in the xmlHTMLPrintFileContext function in xmllint.c (CVE-2024-34459). This vulnerability could potentially lead to reading beyond allocated memory buffers. Red Hat has released updated libxml2 packages for Red Hat Enterprise Linux 8.6 Extended Update Support and Advanced Update Support to fix this issue. The advisory rates the security impact as low and does not provide a CVSS score. No known exploits are reported in the wild.
Potential Impact
The vulnerability involves a buffer over-read, which may cause information disclosure or application instability when processing specially crafted XML content. The security impact is rated as low by Red Hat, indicating limited risk or difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated libxml2 packages for Red Hat Enterprise Linux 8.6 Extended Update Support and Advanced Update Support that address this vulnerability. Users should apply these official updates as detailed in Red Hat advisory RHSA-2026:27737 and the referenced article https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerability. 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-2026:27737
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a395a05eed863c81e08e789
Added to database: 06/22/2026, 15:51:33 UTC
Last enriched: 06/22/2026, 15:55:56 UTC
Last updated: 06/22/2026, 18:17:52 UTC
Views: 7
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