The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an…

Description

The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.

Scores

EPSS (exploitation in 30 days)

5.9% · top 6.8% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-119 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (32)

• openSUSE-SU-2016:0106 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1281930 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3430 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• APPLE-SA-2016-07-18-4 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• APPLE-SA-2016-07-18-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• APPLE-SA-2016-07-18-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• https://support.apple.com/HT206901 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:1089 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://bugzilla.gnome.org/show_bug.cgi?id=751603 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://git.gnome.org/browse/libxml2/commit/?id=9aa37588ee78a06ca1379a9d9356eab16686099c (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 91826 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• USN-2834-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• APPLE-SA-2016-07-18-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• APPLE-SA-2016-07-18-6 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 1034243 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• RHSA-2015:2549 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://blog.fuzzing-project.org/28-Libxml2-Several-out-of-bounds-reads.html (opens in a new tab)x_refsource_MISCx_transferred
• HPSBGN03537 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• https://git.gnome.org/browse/libxml2/commit/?id=709a952110e98621c9b78c4f26462a9d8333102e (opens in a new tab)x_refsource_CONFIRMx_transferred
• 77681 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• [oss-security] 20151122 Re: Libxml2: Several out of bounds reads (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20151121 Libxml2: Several out of bounds reads (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• openSUSE-SU-2015:2372 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://support.apple.com/HT206905 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT206903 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.gnome.org/show_bug.cgi?id=751631 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT206902 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT206904 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT206899 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 08:13 UTC.