Integer overflow in PHP
CVE-2016-4346
Integer overflow in the str_pad function in ext/standard/string.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
Vulnerability class: Integer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.057 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000
Affected products
- PHP
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.2
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-updates/2016-06/msg00027.html (vendor-advisory, Mailing List, Third Party Advisory)
- bugs.php.net/bug.php (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.openwall.com/lists/oss-security/2016/04/28/2 (mailing-list, Mailing List, Third Party Advisory)
- php.net/ChangeLog-7.php (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2016-05/msg00086.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4346?
- CVE-2016-4346 is a critical-severity vulnerability in PHP, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2016-05-22.
- How severe is CVE-2016-4346?
- Critical severity. CVSS v3 base score is 9.8 out of 10.