CLSA-2026-1789632227
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1789632227.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1789632227
- Upstream
- Published
- 2026-09-21T23:44:28Z
- Modified
- 2026-10-26T09:31:55Z
- Summary
- libxml2: Fix of 5 CVEs
- Details
-
- CVE-2026-86138: add overflow checks to xmlDictAddQString to prevent an integer overflow and heap buffer overflow
- CVE-2026-86140: bound the writes in xmlSnprintfElements to prevent a stack buffer overflow
- CVE-2026-86142: make xmlStrlen saturate above INT_MAX and reject the saturated length in xmlXPtrEvalXPtrPart to prevent a heap buffer overflow
- CVE-2026-86143: reject buffer lengths at or above INT_MAX before calling the output write callback to prevent an integer overflow
- CVE-2026-86144: propagate parseFlags in xmlXIncludeProcess and xmlXIncludeProcessTree so parser flags such as XML_PARSE_NONET are honoured
- References
-
- https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1789632227.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-86138
- https://nvd.nist.gov/vuln/detail/CVE-2026-86140
- https://nvd.nist.gov/vuln/detail/CVE-2026-86142
- https://nvd.nist.gov/vuln/detail/CVE-2026-86143
- https://nvd.nist.gov/vuln/detail/CVE-2026-86144
Affected packages
TuxCare:OracleLinux:6 / libxml2
Package
- Name
- libxml2
- Purl
- pkg:rpm/tuxcare/libxml2?distro=oraclelinux-6
TuxCare:OracleLinux:6 / libxml2-devel
Package
- Name
- libxml2-devel
- Purl
- pkg:rpm/tuxcare/libxml2-devel?distro=oraclelinux-6
TuxCare:OracleLinux:6 / libxml2-python
Package
- Name
- libxml2-python
- Purl
- pkg:rpm/tuxcare/libxml2-python?distro=oraclelinux-6