CVE-2026-89157

Summary

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

Affected Software

Weaknesses

• CWE-190: CWE-190 Integer Overflow or Wraparound

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9

References

• https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48
• https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9

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