Red Hat Security Advisory: expat security update
Red Hat has issued a moderate severity security advisory for the expat C library used for XML parsing. The update addresses three vulnerabilities: a negative length parsing issue (CVE-2024-45490) and two integer overflow or wraparound flaws (CVE-2024-45491 and CVE-2024-45492). These vulnerabilities affect multiple Red Hat Enterprise Linux 9 variants across various architectures including x86_64, aarch64, ppc64le, and s390x. The advisory provides updated packages to remediate these issues. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This advisory covers three security vulnerabilities in libexpat, a C library for XML document parsing. The issues include a negative length parsing vulnerability and two integer overflow or wraparound vulnerabilities. These flaws could potentially lead to unexpected behavior or memory corruption when parsing malicious XML data. The vulnerabilities affect Red Hat Enterprise Linux 9 and related variants on multiple hardware architectures. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2024:6754.
Potential Impact
The vulnerabilities could allow an attacker to cause incorrect processing of XML data, potentially leading to memory corruption or other unintended behavior. The advisory rates the impact as moderate. There are no reports of active exploitation in the wild. The affected systems include various Red Hat Enterprise Linux 9 distributions on multiple architectures.
Mitigation Recommendations
Red Hat has released updated expat packages to address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9 versions should apply the security update as described in Red Hat advisory RHSA-2024:6754 and the referenced article https://access.redhat.com/articles/11258. Applying the official update is the recommended remediation. Patch status is confirmed as available from the vendor advisory.
Red Hat Security Advisory: expat security update
Description
Red Hat has issued a moderate severity security advisory for the expat C library used for XML parsing. The update addresses three vulnerabilities: a negative length parsing issue (CVE-2024-45490) and two integer overflow or wraparound flaws (CVE-2024-45491 and CVE-2024-45492). These vulnerabilities affect multiple Red Hat Enterprise Linux 9 variants across various architectures including x86_64, aarch64, ppc64le, and s390x. The advisory provides updated packages to remediate these issues. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers three security vulnerabilities in libexpat, a C library for XML document parsing. The issues include a negative length parsing vulnerability and two integer overflow or wraparound vulnerabilities. These flaws could potentially lead to unexpected behavior or memory corruption when parsing malicious XML data. The vulnerabilities affect Red Hat Enterprise Linux 9 and related variants on multiple hardware architectures. Red Hat has released updated packages to fix these vulnerabilities as detailed in advisory RHSA-2024:6754.
Potential Impact
The vulnerabilities could allow an attacker to cause incorrect processing of XML data, potentially leading to memory corruption or other unintended behavior. The advisory rates the impact as moderate. There are no reports of active exploitation in the wild. The affected systems include various Red Hat Enterprise Linux 9 distributions on multiple architectures.
Mitigation Recommendations
Red Hat has released updated expat packages to address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9 versions should apply the security update as described in Red Hat advisory RHSA-2024:6754 and the referenced article https://access.redhat.com/articles/11258. Applying the official update is the recommended remediation. Patch status is confirmed as available from the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:6754
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-45491","CVE-2024-45492"]
- Cvss Version
- null
Threat ID: 6a1f4e9fe29bf47b500871ea
Added to database: 6/2/2026, 9:43:59 PM
Last enriched: 6/2/2026, 10:25:13 PM
Last updated: 6/3/2026, 4:58:14 AM
Views: 2
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