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.
CVSS score
3.3/10
010
Low · v3.1 (NVD)EPSS score
0.16%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 11-09-2026PublishedVulnerability first disclosed.
- 14-09-2026Last 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 versionLow 3.3Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSources5 sources · 2.9–3.3
- CVE.orgCNA2.9LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · AlpineEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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 score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPcre2
Maturity: poc
Weaknesses
CWE · root causeAffected 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