XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in…

Description

XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

Scores

EPSS (exploitation in 30 days)

1.7% · top 23% 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: High 7.1.

Weakness

• n/a
• CWE-20 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (30)

• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.cybozu.com/ja-jp/article/9735 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://kc.mcafee.com/corporate/index?page=content&id=SB10170 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SSA:2016-148-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• JVN#17535578 (opens in a new tab)third-party-advisoryx_refsource_JVNx_transferred
• RHSA-2016:1292 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [oss-security] 20160525 3 libxml2 issues (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• DSA-3593 (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
• http://xmlsoft.org/news.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT206901 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2994-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2016-07-18-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• JVNDB-2017-000066 (opens in a new tab)third-party-advisoryx_refsource_JVNDBx_transferred
• APPLE-SA-2016-07-18-6 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• https://www.tenable.com/security/tns-2016-18 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 90865 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:2957 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://support.apple.com/HT206905 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1036348 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://support.apple.com/HT206903 (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://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 (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, 00:32 UTC.