9.8crit

CVE-2016-4344in critical feed

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
5.2%
percentile 92%
Public exploits
0
none known

Summary

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.

Exploit prediction (EPSS)

5.17% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds
PHP (RSS, critical only)

References

  • bugs.php.net /bug.php?id=71637 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/04/28/2 · mailing-list, x_refsource_MLIST, x_transferred
  • php.net /ChangeLog-7.php · 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.