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oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c

🗓️ 30 Jan 2024 13:30:08Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Oniguruma heap over-read in gb18030 encoding may crash a unix app from a malformed regular expression, causing denial of service.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.8aarch64oniguruma0:6.8.2-2.1.el8_8oniguruma-0:6.8.2-2.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64leoniguruma0:6.8.2-2.1.el8_8oniguruma-0:6.8.2-2.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xoniguruma0:6.8.2-2.1.el8_8oniguruma-0:6.8.2-2.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64oniguruma0:6.8.2-2.1.el8_8oniguruma-0:6.8.2-2.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8anyoniguruma0:6.8.2-2.1.el8_8.i686oniguruma-0:6.8.2-2.1.el8_8.i686.noarch.rpm
Red Hat Enterprise Linux8.8aarch64oniguruma-debuginfo0:6.8.2-2.1.el8_8oniguruma-debuginfo-0:6.8.2-2.1.el8_8.aarch64.rpm
Red Hat Enterprise Linux8.8ppc64leoniguruma-debuginfo0:6.8.2-2.1.el8_8oniguruma-debuginfo-0:6.8.2-2.1.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8.8s390xoniguruma-debuginfo0:6.8.2-2.1.el8_8oniguruma-debuginfo-0:6.8.2-2.1.el8_8.s390x.rpm
Red Hat Enterprise Linux8.8x86_64oniguruma-debuginfo0:6.8.2-2.1.el8_8oniguruma-debuginfo-0:6.8.2-2.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux8.8anyoniguruma-debuginfo0:6.8.2-2.1.el8_8.i686oniguruma-debuginfo-0:6.8.2-2.1.el8_8.i686.noarch.rpm
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28 Jun 2026 09:15Current
7.5High risk
Vulners AI Score7.5
CVSS 25
CVSS 3.17.5
EPSS0.04052
CWE-125
onigurumagb18030 encodingheap overreadmalformed regular expressiondenial of serviceunix
3