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Fencer Intel
medium 5.3

CVE-2020-14155 json

libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.

published 6y ago modified last mo. also BIT-gitlab-2020-14155 , EUVD-2020-6312 , JLSEC-2026-177

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.

Patch / fix

  • bitnami gitlab 12.10.13, 13.0.8, 13.1.2
  • julia Openresty_jll 1.21.4+0
  • julia PCRE_jll 8.44.0+0
  • pcre pcre 8.44
  • gitlab gitlab 12.10.13, 13.0.8, 13.1.2
  • splunk universal_forwarder 8.2.12, 9.0.6
  • apple macos 11.0.1
  • pcre3 Debian 12 2:8.39-13

debian advisories DEBIAN-CVE-2020-14155

  • pcre3 Ubuntu 18.04 LTS 2:8.39-9ubuntu0.1
  • pcre3 Ubuntu 20.04 LTS 2:8.39-12ubuntu0.1
  • pcre3 Ubuntu Pro 14.04 LTS 1:8.31-2ubuntu2.3+esm1
  • pcre3 Ubuntu Pro 16.04 LTS 2:8.38-3.1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2020-14155

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • jbcs-httpd24-apr jboss core services 1 1.6.3-107.jbcs.el7
  • jbcs-httpd24-apr jboss core services 1 1.6.3-107.el8jbcs
  • jbcs-httpd24-curl jboss core services 1 7.78.0-2.jbcs.el7
  • jbcs-httpd24-curl jboss core services 1 7.78.0-2.el8jbcs
  • jbcs-httpd24-httpd jboss core services 1 2.4.37-78.jbcs.el7
  • jbcs-httpd24-httpd jboss core services 1 2.4.37-78.el8jbcs
  • jbcs-httpd24-mod_jk jboss core services 1 1.2.48-20.redhat_1.jbcs.el7
  • jbcs-httpd24-mod_jk jboss core services 1 1.2.48-20.redhat_1.el8jbcs

red hat advisories RHSA-2021:4614RHSA-2021:4373

  • pcre SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +15 more 8.45-8.7.1
  • selinux-policy SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 20140730-36.5.2
  • pcre SLE Module for Basesystem 15 SP3, SLE Module for Basesystem 15 SP2, SLE Micro 5.1 +1 more 8.45-20.10.1

suse advisories SUSE-SU-2021:3652-1SUSE-SU-2021:3529-1

  • pcre openSUSE Leap 15.2 8.45-lp152.7.6.1
  • pcre openSUSE Leap 15.3 8.45-20.10.1

opensuse advisories openSUSE-SU-2021:1441-1openSUSE-SU-2021:3529-1

  • pcre AlmaLinux 8 8.42-6.el8
  • pcre-cpp AlmaLinux 8 8.42-6.el8
  • pcre-utf16 AlmaLinux 8 8.42-6.el8
  • pcre-utf32 AlmaLinux 8 8.42-6.el8

almalinux advisories ALSA-2021:4373

  • pcre Rocky Linux 8 8.42-6.el8

rocky linux advisories RLSA-2021:4373

  • pcre Alpine 3.10 8.43-r1
  • pcre Alpine 3.11 8.43-r0
  • pcre Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 8.44-r0
  • pcre Alpine 3.9 8.42-r2

alpine advisories ALPINE-CVE-2020-14155

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2020-14155 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14155 updated cvss 5.3

pcre: Integer overflow when parsing callout numeric arguments

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/management-ingress-rhel8
    affected: workaround, no fix available “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.”
  • Red Hat Enterprise Linux 6 pcre
    affected: workaround, no fix planned “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.”
  • Red Hat Enterprise Linux 7 pcre, pcre-tools
    affected: workaround, no fix available “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.”
  • Red Hat CodeReady Linux Builder (v. 8) pcre-static 8.42-6.el8, pcre-debuginfo 8.42-6.el8, pcre-debugsource 8.42-6.el8, pcre-cpp-debuginfo 8.42-6.el8, pcre-tools-debuginfo 8.42-6.el8, pcre-utf16-debuginfo 8.42-6.el8, +1 more Red Hat Enterprise Linux BaseOS (v. 8) pcre 8.42-6.el8, pcre-cpp 8.42-6.el8, pcre-utf16 8.42-6.el8, pcre-utf32 8.42-6.el8
    fixed: vendor fix “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.” RHSA-2021:4373
  • Red Hat JBoss Core Services
    fixed: vendor fix “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.” RHSA-2021:4613
  • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-apr 1.6.3-107.jbcs.el7, jbcs-httpd24-curl 7.78.0-2.jbcs.el7, jbcs-httpd24-httpd 2.4.37-78.jbcs.el7, jbcs-httpd24-mod_md 2.0.8-40.jbcs.el7, jbcs-httpd24-libcurl 7.78.0-2.jbcs.el7, jbcs-httpd24-openssl 1.1.1g-8.jbcs.el7, +26 more Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-apr 1.6.3-107.el8jbcs, jbcs-httpd24-curl 7.78.0-2.el8jbcs, jbcs-httpd24-httpd 2.4.37-78.el8jbcs, jbcs-httpd24-mod_md 2.0.8-40.el8jbcs, jbcs-httpd24-libcurl 7.78.0-2.el8jbcs, jbcs-httpd24-openssl 1.1.1g-8.el8jbcs, +26 more
    fixed: vendor fix “This flaw can be mitigated by not compiling regular expressions with a callout value greater outside of 0-255 or handling the value passed to the callback within the application code.” RHSA-2021:4614

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last mo.

Exploit prediction

4.18% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
bitnami gitlab
<12.10.13
>=13.0.0, <13.0.8
>=13.1.0, <13.1.2
12.10.13
13.0.8
13.1.2
julia Openresty_jll
<1.21.4+0
1.21.4+0
julia PCRE_jll
<8.44.0+0
8.44.0+0

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.