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CVE-2015-2783 ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (buffer over-read and application crash) via a crafted length value in conjunction with crafted serialized data in a phar archive, related to the phar_parse_metadata and phar_parse_pharfile functions.
Severity Medium 5.8
Published 9 Jun 2015
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 5.6.7 Version 5.6.6 Version 5.6.5 Version 5.6.4 All 49 release lines Every version up to 5.4.39 Version 5.5.0-alpha1 Version 5.5.0-alpha2 Version 5.5.0-alpha3 Version 5.5.0-alpha4 Version 5.5.0-alpha5 Version 5.5.0-alpha6 Version 5.5.0-beta1 Version 5.5.0-beta2 Version 5.5.0-beta3 Version 5.5.0-beta4 Version 5.5.0-rc1 Version 5.5.0-rc2 Version 5.5.0 Version 5.5.1 Version 5.5.2 Version 5.5.3 Version 5.5.4 Version 5.5.5 Version 5.5.6 Version 5.5.7 Version 5.5.8 Version 5.5.9 Version 5.5.10 Version 5.5.11 Version 5.5.12 Version 5.5.13 Version 5.5.14 Version 5.5.18 Version 5.5.19 Version 5.5.20 Version 5.5.21 Version 5.5.22 Version 5.5.23 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 5.6.2 Version 5.6.3 Version 5.6.4 Version 5.6.5 Version 5.6.6 Version 5.6.7
References NVD https://nvd.nist.gov/vuln/detail/CVE-2015-2783 CVE.org https://www.cve.org/CVERecord?id=CVE-2015-2783