Buffer overflow in Php

CVE-2008-5557

Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions.

Vulnerability class: Buffer Overflow

EPSS: 0.074 (93.8th percentile) — read the EPSS interpretation.

Affected products

  • Php — versions 4.3.0, 4.3.1, 4.3.2
  • N/a — versions n/a

Weakness classification (CWE)

References