3.3

CVE-2026-89162: pcre pcre2

CVSS: 3.3v3.1LowUndergoing analysis
AliasesALPINE-CVE-2026-89162UBUNTU-CVE-2026-89162DEBIAN-CVE-2026-89162
Published 11-09-2026Last modified 14-09-2026

Vulnerability summary

CVE-2026-89162 is a low (CVSS 3.3) vulnerability in pcre pcre2. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 11-09-2026
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.05 pp

From 0.11% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Pcre2

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • pcre2≥ 10.45, < 10.46-r1 | ≥ 10.45, < 10.48-r0
Debian1 product
  • pcre2< 10.46-1~deb13u2 | < 10.48-1
Pcre1 product
  • pcre2≥ 10.45, < 10.48 | 10.48:rc1
Ubuntu1 product
  • pcre2All versions (No fix recorded)

4 vendors · 4 products

References

7 links