Name: CVE-2026-89158: Integer Overflow or Wraparound
Creator: Rapid7
Published: 2026-09-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-89158, CWE-190, CVSS 6.5, EPSS 0.00247

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade pcre2-syntaxUpgrade pcre2-toolsUpgrade pcre2-utf16Upgrade pcre2Upgrade pcre2-utf32Upgrade pcre2-devel	Oct 13, 2026	Oct 12, 2026
Alpine Linux	—	Upgrade pcre2	Oct 2, 2026	Sep 11, 2026
Debian	—	Upgrade pcre2	Sep 21, 2026	Sep 11, 2026
Redhat_linux	—	Upgrade pcre2-utf32Upgrade pcre2-utf32-debuginfoUpgrade pcre2-syntaxUpgrade pcre2Upgrade pcre2-tools-debuginfoUpgrade pcre2-utf16Upgrade pcre2-debugsourceUpgrade pcre2-toolsUpgrade pcre2-debuginfoUpgrade pcre2-utf16-debuginfoNo solution existsUpgrade pcre2-develUpgrade pcre2-static	Sep 15, 2026	Sep 11, 2026
Rocky_linux	—	Upgrade pcre2-tools-debuginfoUpgrade pcre2-utf32-debuginfoUpgrade pcre2-debuginfoUpgrade pcre2-utf16Upgrade pcre2-utf32Upgrade pcre2-debugsourceUpgrade pcre2-utf16-debuginfoUpgrade pcre2-toolsUpgrade pcre2-develUpgrade pcre2Upgrade pcre2-static	Oct 16, 2026	Oct 14, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence