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CVE-2026-86140

🗓️ 05 Sep 2026 05:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 20 Views

strcat buffer overflow in libxml2 before 2.15.4 in xmlSnprintfElements of valid.c.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
24 Oct 202614:38
–ibm
ibm
IBM Security Bulletins
Security Bulletin: Vulnerabilities in libxml2 (CVE-2026-86140, CVE-2026-86141, CVE-2026-86143, CVE-2026-86144) affect AIX.
21 Oct 202613:32
–ibm
ibm
IBM Security Bulletins
Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images
15 Oct 202613:24
–ibm
ibm
IBM Security Bulletins
Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple issues in libxml2
22 Oct 202620:26
–ibm
nessus
Tenable Nessus
Amazon Linux 2 : libxml2 (ALAS-2026-3940)
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 10.2 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2026_71586)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2026_71641)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9 [CIQ] Security Update: libxml2 / libxml2-debuginfo / libxml2-debugsource / libxml2-devel / etc Multiple Vulnerabilities (crlsa-2026_71585)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Fedora 45 : 0ad / GAPDoc / GConf2 / GraphicsMagick / ImageMagick / Io-language / etc (2026-91259c13b9)
2 Oct 202600:00
–nessus
nessus
Tenable Nessus
MiracleLinux 8 : libxml2-2.9.7-21.el8_10.9 (AXSA:2026-1925:10)
28 Sep 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04alllibxml22.9.4+dfsg1-6.1ubuntu1.9+esm8libxml2_2.9.4+dfsg1-6.1ubuntu1.9+esm8_all.deb
Ubuntu20.04alllibxml22.9.10+dfsg-5ubuntu0.20.04.10+esm5libxml2_2.9.10+dfsg-5ubuntu0.20.04.10+esm5_all.deb
Ubuntu22.04alllibxml22.9.13+dfsg-1ubuntu0.13libxml2_2.9.13+dfsg-1ubuntu0.13_all.deb
Ubuntu24.04alllibxml22.9.14+dfsg-1.3ubuntu3.9libxml2_2.9.14+dfsg-1.3ubuntu3.9_all.deb
Ubuntu26.04alllibxml22.15.2+dfsg-0.1ubuntu0.2libxml2_2.15.2+dfsg-0.1ubuntu0.2_all.deb
Ubuntu14.04alllibxml22.9.1+dfsg1-3ubuntu4.13+esm12libxml2_2.9.1+dfsg1-3ubuntu4.13+esm12_all.deb
Ubuntu16.04alllibxml22.9.3+dfsg1-1ubuntu0.7+esm13libxml2_2.9.3+dfsg1-1ubuntu0.7+esm13_all.deb

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21 Sep 2026 20:08Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.8 - 8
EPSS0.00157
SSVC
20