CVE catalog
CVE-2019-20838
pcre3: CVE-2019-20838
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.77% · Oct 25, 2026
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | pcre3 | bookworm | 2:8.39-15 | vulnerable |
| Cpe | pcre | Not reported | 8.43 | fixed |
| Cpe | macos | Not reported | 11.0.1 | fixed |
| Cpe | universal_forwarder | Not reported | Not reported | unknown |
| Ubuntu | pcre3 | pro | 2:8.35-7.1ubuntu1 | vulnerable |
| Ubuntu | pcre3 | pro | 2:8.38-1ubuntu1 | vulnerable |
| Ubuntu | pcre3 | pro | 2:8.38-3 | vulnerable |
| Ubuntu | pcre3 | pro | 2:8.38-3.1 | vulnerable |
| Ubuntu | pcre3 | pro | 2:8.38-3.1ubuntu0.1~esm1 | fixed |
| Ubuntu | pcre3 | 18.04 | 2:8.39-5ubuntu3 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-8 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-9 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-9ubuntu0.1 | fixed |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12 | vulnerable |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12build1 | vulnerable |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12ubuntu0.1 | fixed |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build3 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build4 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build5 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13ubuntu0.22.04.1 | fixed |
| Ubuntu | pcre3 | 18.04 | 2:8.39-5ubuntu3 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-8 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-9 | vulnerable |
| Ubuntu | pcre3 | 18.04 | 2:8.39-9ubuntu0.1 | fixed |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12 | vulnerable |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12build1 | vulnerable |
| Ubuntu | pcre3 | 20.04 | 2:8.39-12ubuntu0.1 | fixed |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build3 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build4 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13build5 | vulnerable |
| Ubuntu | pcre3 | 22.04 | 2:8.39-13ubuntu0.22.04.1 | fixed |
| Ubuntu | pcre3 | 24.04 | 2:8.39-15 | vulnerable |
| Ubuntu | pcre3 | 24.04 | 2:8.39-15build1 | vulnerable |
| Ubuntu | pcre3 | 25.10 | 2:8.39-15.1 | vulnerable |
| Opensuse | pcre | leap 15.2 | 8.45-lp152.7.6.1 | fixed |
| Opensuse | pcre | leap 15.3 | 8.45-20.10.1 | fixed |
| Suse | pcre | linux enterprise module for basesystem 15 sp2 | 8.45-20.10.1 | fixed |
| Suse | pcre | linux enterprise module for basesystem 15 sp3 | 8.45-20.10.1 | fixed |
| Suse | pcre | linux enterprise micro 5.0 | 8.45-20.10.1 | fixed |
| Suse | pcre | linux enterprise micro 5.1 | 8.45-20.10.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | pcre3 | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Cpe | pcre | cpe | Not reported | 8.43 | Not reported | NVD-CVE-2019-20838 | Not reported |
| Cpe | macos | cpe | Not reported | 11.0.1 | Not reported | NVD-CVE-2019-20838 | Not reported |
| Ubuntu | pcre3 | deb | pro | 2:8.38-3.1ubuntu0.1~esm1 | Not reported | USN-5425-1 | Not reported |
| Ubuntu | pcre3 | deb | 18.04 | 2:8.39-9ubuntu0.1 | Not reported | USN-5425-1 | Not reported |
| Ubuntu | pcre3 | deb | 20.04 | 2:8.39-12ubuntu0.1 | Not reported | USN-5425-1 | Not reported |
| Ubuntu | pcre3 | deb | 22.04 | 2:8.39-13ubuntu0.22.04.1 | Not reported | USN-5425-1 | Not reported |
| Ubuntu | pcre3 | deb | 18.04 | 2:8.39-9ubuntu0.1 | Not reported | UBUNTU-CVE-2019-20838 | Not reported |
| Ubuntu | pcre3 | deb | 20.04 | 2:8.39-12ubuntu0.1 | Not reported | UBUNTU-CVE-2019-20838 | Not reported |
| Ubuntu | pcre3 | deb | 22.04 | 2:8.39-13ubuntu0.22.04.1 | Not reported | UBUNTU-CVE-2019-20838 | Not reported |
| Opensuse | pcre | rpm | leap 15.2 | 8.45-lp152.7.6.1 | Not reported | OPENSUSE-SU-2021:1441-1 | Not reported |
| Opensuse | pcre | rpm | leap 15.3 | 8.45-20.10.1 | Not reported | OPENSUSE-SU-2021:3529-1 | Not reported |
| Suse | pcre | rpm | linux enterprise module for basesystem 15 sp2 | 8.45-20.10.1 | Not reported | SUSE-SU-2021:3529-1 | Not reported |
| Suse | pcre | rpm | linux enterprise module for basesystem 15 sp3 | 8.45-20.10.1 | Not reported | SUSE-SU-2021:3529-1 | Not reported |
| Suse | pcre | rpm | linux enterprise micro 5.0 | 8.45-20.10.1 | Not reported | SUSE-SU-2021:3529-1 | Not reported |
| Suse | pcre | rpm | linux enterprise micro 5.1 | 8.45-20.10.1 | Not reported | SUSE-SU-2021:3529-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libpcre16-3]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre32-3]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3-dbg]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcre3-dev]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [libpcrecpp0v5]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
- [pcregrep]Affected
Source package: [pcre3]
Details (2)
2:8.39-15· amd64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
2:8.39-15· arm64 · bookwormAffected
dsa · pcre3 · debian · bookworm; dsa · pcre3 · debian · 12
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_4373.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2019-20838]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-20838]
- [https://osv.dev/vulnerability/SUSE-SU-2021:3529-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-20838]
- [https://osv.dev/vulnerability/USN-5425-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:1441-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:3529-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-20838]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20838.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1614.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]