CVE-2026-103111

EUVD-2026-89608
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
7.6 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.23%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
pcrepcre2
𝑥
< 10.49
CNA
Debian logo
Debian Releases
Debian Product
Codename
pcre2
bookworm
vulnerable
bookworm (security)
10.42-1+deb12u2
fixed
forky
10.48-3.1
fixed
sid
10.49-1
fixed
trixie
vulnerable
trixie (security)
10.46-1~deb13u3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pcre2
bionic
Fixed in 10.31-2ubuntu0.1~esm2
released
focal
Fixed in 10.34-7ubuntu0.1+esm1
released
jammy
Fixed in 10.39-3ubuntu0.2
released
noble
Fixed in 10.42-4ubuntu2.2
released
resolute
Fixed in 10.46-1ubuntu0.1
released
stonking
Fixed in 10.46-1ubuntu1
released
xenial
not-affected
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
pcre2
RHEL 8
0:10.32-4.el8_10
fixed
RHEL 8.4 AUS
0:10.32-2.el8_4.1
fixed
RHEL 8.6 AUS
0:10.32-3.el8_6.1
fixed
RHEL 8.8 E4S
0:10.32-3.el8_8.2
fixed
RHEL 8.8 TUS
0:10.32-3.el8_8.2
fixed
RHEL 9
0:10.40-7.el9_8
fixed
pcre2-devel
RHEL 8
0:10.32-4.el8_10
fixed
RHEL 8.4 AUS
0:10.32-2.el8_4.1
fixed
RHEL 8.6 AUS
0:10.32-3.el8_6.1
fixed
RHEL 8.8 E4S
0:10.32-3.el8_8.2
fixed
RHEL 8.8 TUS
0:10.32-3.el8_8.2
fixed
RHEL 9
0:10.40-7.el9_8
fixed
pcre2-syntax
RHEL 9
0:10.40-7.el9_8
fixed
pcre2-tools
RHEL 8
0:10.32-4.el8_10
fixed
RHEL 9
0:10.40-7.el9_8
fixed
pcre2-utf16
RHEL 8
0:10.32-4.el8_10
fixed
RHEL 8.4 AUS
0:10.32-2.el8_4.1
fixed
RHEL 8.6 AUS
0:10.32-3.el8_6.1
fixed
RHEL 8.8 E4S
0:10.32-3.el8_8.2
fixed
RHEL 8.8 TUS
0:10.32-3.el8_8.2
fixed
RHEL 9
0:10.40-7.el9_8
fixed
pcre2-utf32
RHEL 8
0:10.32-4.el8_10
fixed
RHEL 8.4 AUS
0:10.32-2.el8_4.1
fixed
RHEL 8.6 AUS
0:10.32-3.el8_6.1
fixed
RHEL 8.8 E4S
0:10.32-3.el8_8.2
fixed
RHEL 8.8 TUS
0:10.32-3.el8_8.2
fixed
RHEL 9
0:10.40-7.el9_8
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
pcre2
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-debuginfo
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-debugsource
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-devel
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-static
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-syntax
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-tools
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-tools-debuginfo
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-utf16
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-utf16-debuginfo
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-utf32
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
pcre2-utf32-debuginfo
Amazon Linux 2023
0:10.40-1.amzn2023.0.5
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
rust
Azure Linux 3.0
0:1.75.0-30.azl3
fixed
Common Weakness Enumeration
References
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m
https://lists.debian.org/debian-lts-announce/2026/10/msg00008.html
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m