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TI-2007-04615 Aliases CVE-2007-4768GHSA-jq5c-rgv9-cw8p

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before…

Priority LOW 37CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

Why it matters now

EPSS 0.04097 90th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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:pcre:*:*:*:*:*:*:*:*up to 6.0; up to 6.1; up to 7.3VulnerablePCRE
  • cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:* Versions up to 6.0; up to 6.1; up to 7.3 Vulnerable ·PCRE

Remediation

Red Hat 1 advisory

  • RHSA-2007:1126 Released 2007-12-18 · Red Hat rating Critical
    flash-plugin security update
    • Red Hat Desktop version 3 Extras flash-plugin-9.0.115.0-1.el3.with.oss.i386
    • Red Hat Desktop version 4 Extras flash-plugin-9.0.115.0-1.el4.i386
    • Red Hat Enterprise Linux AS version 3 Extras flash-plugin-9.0.115.0-1.el3.with.oss.i386
    • Red Hat Enterprise Linux AS version 4 Extras flash-plugin-9.0.115.0-1.el4.i386
    • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin-9.0.115.0-1.el5.i386
    • Red Hat Enterprise Linux ES version 3 Extras flash-plugin-9.0.115.0-1.el3.with.oss.i386
    • Red Hat Enterprise Linux ES version 4 Extras flash-plugin-9.0.115.0-1.el4.i386
    • Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin-9.0.115.0-1.el5.i386
    • Red Hat Enterprise Linux WS version 3 Extras flash-plugin-9.0.115.0-1.el3.with.oss.i386
    • Red Hat Enterprise Linux WS version 4 Extras flash-plugin-9.0.115.0-1.el4.i386

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3 ExtrasFixed RHSA-2007:1126
Red Hat Desktop version 4 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux AS version 3 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux AS version 4 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux Desktop Supplementary (v. 5)Fixed RHSA-2007:1126
Red Hat Enterprise Linux ES version 3 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux ES version 4 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux Server Supplementary (v. 5)Fixed RHSA-2007:1126
Red Hat Enterprise Linux WS version 3 ExtrasFixed RHSA-2007:1126
Red Hat Enterprise Linux WS version 4 ExtrasFixed RHSA-2007:1126

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4768
  2. 2026-10-03 Alias added: GHSA-jq5c-rgv9-cw8p

References

  • TI-2017-11950 In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the… CVSS 3.1MEDIUM 5.5
  • 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
  • TI-2016-01176 The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the… CVSS 3.1CRITICAL 9.8
  • TI-2015-06911 The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [… CVSS 3.1CRITICAL 9.8
  • TI-2015-04255 Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE… CVSS 3.0CRITICAL 9.1
See all 32 →

Sources