CVE-2026-77214: Red Hat Information disclosure via heap buffer over-read in XML_ParseBuffer
This Red Hat advisory covers CVE-2026-77214. Related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9.
Key facts
- Vendor rating
- High, CVSS 8.2
- CISA KEV
- Not listed (catalogue checked )
- Fixed in
- expat-0:2.7.3-1.el10_2.7, expat-main-2.9.0-1.hum1, expat-0:2.5.0-6.el9_8.7 and 2 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
Information disclosure via heap buffer over-read in XML_ParseBuffer. Red Hat rates this important (CVSS 8.2).
Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:88248 with package expat-0:2.7.3-1.el10_2.7, expat-main-2.9.0-1.hum1, expat-0:2.5.0-6.el9_8.7, expat-main-2.8.5-1.2.hum1.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
Text from the source record.
How to fix CVE-2026-77214
Upgrade to a fixed release named by Red Hat:
- expat-0:2.7.3-1.el10_2.7
- expat-main-2.9.0-1.hum1
- expat-0:2.5.0-6.el9_8.7
- expat-main-2.8.5-1.2.hum1
- RHSA-2026:88248
CVE-2026-77214 in other vendors' advisories
- Veeam: KB4825
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