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CVE-2016-2554 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 Critical 9.8
Published 16 May 2016
Last changed 17 Jun 2026
Added to UpHeron 14 Oct 2026
Sources NVD Affected software Software Affected versions PHPServers and applications · cpe:a:php:php Version 7.0.2 Version 7.0.1 Version 7.0.0 Version 5.6.17 All 30 release lines Every version up to 5.5.31 Version 5.6.0-alpha1 Version 5.6.0-alpha2 Version 5.6.0-alpha3 Version 5.6.0-alpha4 Version 5.6.0-alpha5 Version 5.6.0-beta1 Version 5.6.0-beta2 Version 5.6.0-beta3 Version 5.6.0-beta4 Version 5.6.1 Version 5.6.2 Version 5.6.3 Version 5.6.4 Version 5.6.5 Version 5.6.6 Version 5.6.7 Version 5.6.8 Version 5.6.9 Version 5.6.10 Version 5.6.11 Version 5.6.12 Version 5.6.13 Version 5.6.14 Version 5.6.15 Version 5.6.16 Version 5.6.17 Version 7.0.0 Version 7.0.1 Version 7.0.2
References NVD https://nvd.nist.gov/vuln/detail/CVE-2016-2554 CVE.org https://www.cve.org/CVERecord?id=CVE-2016-2554