CVE-2026-89161

EUVD-2026-75946
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
7.4 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.42%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
pcrepcre2
𝑥
< 10.48
CNA
Debian logo
Debian Releases
Debian Product
Codename
pcre2
bookworm
vulnerable
bookworm (security)
vulnerable
forky
10.48-2
fixed
sid
10.48-2
fixed
trixie
no-dsa
Common Weakness Enumeration
References
https://github.com/PCRE2Project/pcre2/pull/937
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48