Vulnerability in Apple macOS (CVE-2020-14155)
Summary
Vulnerability in Apple macOS (CVE-2020-14155). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A weakness called CVE-2020-14155 was discovered in Apple macOS.
Severity is Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Apple macOS CVE-2020-14155".
CVE-2020-14155 (Apple macOS). Severity: Medium / CVSSv3 5.3. Category: CWE-190.
Response plan:
- Check the vendor advisory for affected versions and the patched release.
- If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
- If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
- Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
A weakness (CVE-2020-14155) in Apple macOS. A serious software flaw has been identified.
Target versions of Apple macOS (see vendor advisory). If running in production, identify exposure immediately.
Severity: Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-190)
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2020-14155 pcre Fixed in: 8.43-r1
References
- advisory seclists.org
- advisory seclists.org
- advisory about.gitlab.com
- advisory bugs.gentoo.org
- advisory lists.apache.org
- advisory security.netapp.com
- advisory support.apple.com
- advisory support.apple.com
- advisory oracle.com
- advisory pcre.org
- web nvd.nist.gov