Integer overflow in Apple macOS
CVE-2020-14155
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.gentoo.org/717920 (Patch, Third Party Advisory, Issue Tracking)
- www.pcre.org/original/changelog.txt (Release Notes, Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/32 (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT211931 (Third Party Advisory)
- seclists.org/fulldisclosure/2021/Feb/14 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac… (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT212147 (Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
- about.gitlab.com/releases/2020/07/01/security-release-13-1-2-release/ (Third Party Advisory)
- security.netapp.com/advisory/ntap-20221028-0010/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14155?
- CVE-2020-14155 is a medium-severity vulnerability in Apple macOS, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2020-06-15.
- How severe is CVE-2020-14155?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-14155 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.