CVE-2026-89162
lowpriority · track · 13EPSS 0.002 · 5 %ileDEUSEPSS · scored 2026-10-27
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3334PCRE2 (Perl Compatible Regular Expressions): Mehrere SchwachstellenDeutsch2026-09-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in PCRE2 (Perl Compatible Regular Expressions) ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Speicher zu beschädigen, Informationen offenzulegen oder Denial-of-Service-Zustände herbeizuführen.
sources
Which sources assert this record, and when.
references (2) nvd
External citations — patches, advisories, analysis.
- https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48Release Notes
- https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6ExploitVendor Advisory
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan