CVE-2026-103111

highpriority · track · 0EPSS 0.002 · 11 %ileDERUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 7.6 · high

Is it mine?

7 products

Check your exposure

Who says so?

2 sources

fstec_bdu · cert_bund

EPSS · scored 2026-10-24

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.6highAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.17.6highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:Lsecondary · cve@mitre.org USexploitability 2.8 · impact 4.7

v3.17highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USCWE-787US

affected products (7)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Open Source PCRE (Perl Compatible Regular Expressions)< 10.49cert_bundDE
Philip Hazel PCRE2≤ 10.48fstec_bduRU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3622PCRE (Perl Compatible Regular Expressions): Schwachstelle ermöglicht CodeausführungDeutsch2026-09-28csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in PCRE (Perl Compatible Regular Expressions) ausnutzen, um möglicherweise beliebigen Code auszuführen, angrenzenden Speicher zu beschädigen oder einen Denial-of-Service-Zustand herbeizuführen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

fstec_bdu cert_bund NVD CVE.org MITRE

published 2026-09-30modified 2026-10-05

references (2) nvd

External citations — patches, advisories, analysis.

scry

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