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TI-2017-05954 Aliases CVE-2017-8399GHSA-wrv9-5822-445x

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in…

Priority MEDIUM 48CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

Why it matters now

EPSS 0.03118 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*before 10.30VulnerablePCRE
  • cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:* Versions before 10.30 Vulnerable ·PCRE

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 7 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat JBoss Enterprise Web Server 1
  • Red Hat JBoss Enterprise Web Server 2
  • Red Hat JBoss Web Server 3
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-8399
  2. 2026-10-03 Alias added: GHSA-wrv9-5822-445x

References

  • TI-2022-19872 Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a… CVSS 3.1HIGH 7.5
  • TI-2025-35893 PCRE2: heap-buffer-overflow read in match_ref due to missing boundary restoration in SCS CVSS 4.0MEDIUM 6.9
  • TI-2026-60391 Integer overflow in PCRE2 CVSS 3.1HIGH 7.4
  • TI-2026-60393 Out-of-bounds read in PCRE2 CVSS 3.1MEDIUM 6.5
  • TI-2015-02839 Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote… CVSS 3.1CRITICAL 9.8
  • TI-2016-02677 The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c… CVSS 3.0CRITICAL 9.8
See all 16 →

Sources