CVE-2016-2554

9.8 criticalEPSS 11%

Critical (9.8) in php php. EPSS 11% chance of exploitation in the next 30 days.

Stack-based buffer overflow in ext/phar/tar.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TAR archive.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 11% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2016-05-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

php:php

References

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php

Check your stack JSON