vulnwire
7.1high

CVE-2016-4449

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

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

1.66% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.1CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD2.05.8AV:N/AC:M/Au:N/C:P/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • support.cybozu.com /ja-jp/article/9735 · x_refsource_CONFIRM, x_transferred
  • kc.mcafee.com /corporate/index?page=content&id=SB10170 · x_refsource_CONFIRM, x_transferred
  • slackware.com /security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722 · vendor-advisory, x_refsource_SLACKWARE, x_transferred
  • oracle.com /technetwork/security-advisory/cpujan2018-3236628.html · x_refsource_CONFIRM, x_transferred
  • jvn.jp /en/jp/JVN17535578/index.html · third-party-advisory, x_refsource_JVN, x_transferred
  • access.redhat.com /errata/RHSA-2016:1292 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2016/05/25/2 · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2016/dsa-3593 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • lists.apple.com /archives/security-announce/2016/Jul/msg00003.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • lists.apple.com /archives/security-announce/2016/Jul/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • lists.apple.com /archives/security-announce/2016/Jul/msg00001.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • xmlsoft.org /news.html · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206901 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2994-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • oracle.com /technetwork/topics/security/bulletinjul2016-3090568.html · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/Jul/msg00000.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • jvndb.jvn.jp /en/contents/2017/JVNDB-2017-000066.html · third-party-advisory, x_refsource_JVNDB, x_transferred
  • lists.apple.com /archives/security-announce/2016/Jul/msg00005.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • tenable.com /security/tns-2016-18 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/90865 · vdb-entry, x_refsource_BID, x_transferred
  • git.gnome.org /browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2957.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • support.apple.com /HT206905 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036348 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • support.apple.com /HT206903 · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206902 · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206904 · x_refsource_CONFIRM, x_transferred
  • h20566.www2.hpe.com /portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206899 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.