CVE-2015-4021

php: memory corruption in phar_parse_tarfile caused by empty entry file name

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Severity

Moderate

Red Hat Product Security

5.1

CVSS 2.0

Review impact separately from score.

Published · May 14, 2015

Updated · June 28, 2026

Description

An integer underflow flaw leading to out-of-bounds memory access was found in the way PHP's Phar extension parsed Phar archives. A specially crafted archive could cause PHP to crash or, possibly, execute arbitrary code when opened.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P

CWE-125 · Out-of-bounds Read