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High 7.4Published Sep 11, 2026

CVE-2026-89161In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context.

Updated under an hour ago ()

Does this affect you?

It affects PCRE2. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.

CVSS
7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-590
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Undergoing Analysis
Record last updated
Sep 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
PCRE PCRE2
pcre:pcre2 (from the name)
before 10.48
CNA record
pcre pcre2
pcre:pcre2
before 10.48; 10.48
NVD

References

  • release-notes
  • patch

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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