Integer overflow in Php
CVE-2010-1866
The dechunk filter in PHP 5.3 through 5.3.2, when decoding an HTTP chunked encoding stream, allows context-dependent attackers to cause a denial of service (crash) and possibly trigger memory corruption via a negative chunk size, which byp…
Vulnerability class: Integer Overflow
EPSS: 0.016 (81.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Php
- Opensuse — versions 11.3, 11.1, 11.2
- Suse Linux_enterprise — versions 11.0, 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, x_refsource_MISC, Broken Link)
- SUSE-SR:2010:017 (vendor-advisory, Mailing List, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2010-1866?
- CVE-2010-1866 is a critical-severity vulnerability in Php, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2010-05-07.
- How severe is CVE-2010-1866?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2010-1866 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.