CVE-2011-1471
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 13.19% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 10 March 2011
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- php/php
- Source
- cve@mitre.org
EPSS 13.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://bugs.php.net/bug.php?id=49072Exploit, Vendor Advisory
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlMailing List, Third Party Advisory
- http://support.apple.com/kb/HT5002Third Party Advisory
- http://www.debian.org/security/2011/dsa-2266Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052Broken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053Broken Link
- http://www.php.net/ChangeLog-5.phpVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1423.htmlThird Party Advisory
- http://www.securityfocus.com/bid/46975Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2011/0744Permissions Required
- http://bugs.php.net/bug.php?id=49072Exploit, Vendor Advisory
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlMailing List, Third Party Advisory
- http://support.apple.com/kb/HT5002Third Party Advisory
- http://www.debian.org/security/2011/dsa-2266Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052Broken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053Broken Link
- http://www.php.net/ChangeLog-5.phpVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1423.htmlThird Party Advisory
- http://www.securityfocus.com/bid/46975Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2011/0744Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.