CVE-2026-89162

pcre2: PCRE2: Information disclosure via pcre2_serialize_encode

Published Sep 11, 2026 CVSS 3.1 · 2.9 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-8974-1 PCRE2 vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:pcre:pcre2:10.48:rc1:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Potential Data Disclosure in PCRE2 pcre2_serialize_encode pcre2: PCRE2: Information disclosure via pcre2_serialize_encode
Weaknesses CWE-125
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title Potential Data Disclosure in PCRE2 pcre2_serialize_encode
Type Values Removed Values Added
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.
First Time appeared Pcre
Pcre pcre2
Weaknesses CWE-669
CPEs cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*
Vendors & Products Pcre
Pcre pcre2
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 6:18 PM
Reserved
Sep 11, 2026, 4:15 AM
Status
Analyzed
Published
Sep 11, 2026, 5:16 AM
Modified
Sep 16, 2026, 6:56 PM
Severity
Low
Public date
Sep 11, 2026, 4:15 AM