CVE-2020-14155: apple macos Integer Overflow or Wraparound
Vulnerability summary
CVE-2020-14155 is a medium (CVSS 5.3) Integer Overflow or Wraparound vulnerability in apple macos. EPSS estimates a 4.18% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 15-06-2020PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
4.18%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.18% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Netapp10 products
Chainguard2 products
- gitlab-operator-compatAll versions (No fix recorded)
- gitlab-operator-fipsAll versions (No fix recorded)
Alpine1 product
- pcre< 8.43-r1 | < 8.43-r0 | < 8.44-r0 | < 8.42-r2
Apple1 product
- macos< 11.0.1
Debian1 product
- pcre3< 2:8.39-13
Gitlab1 product
- gitlab< 12.10.13 | ≥ 13.0.0, < 13.0.8 | ≥ 13.1.0, < 13.1.2
Oracle1 product
Pcre1 product
- pcre< 8.44
Splunk1 product
- universal_forwarder≥ 8.2.0, < 8.2.12 | ≥ 9.0.0, < 9.0.6 | 9.1.0
Ubuntu1 product
- pcre3< 1:8.31-2ubuntu2.3+esm1 | < 2:8.38-3.1ubuntu0.1~esm1 | < 2:8.39-9ubuntu0.1 | < 2:8.39-12ubuntu0.1
10 vendors · 20 products
