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jq: out-of-bounds read in jv_parse_sized() on error formatting for non-NUL-terminated buffers

🗓️ 18 May 2026 12:48:08Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

In jq, non terminated buffers cause out-of-bounds read in jv_parse_sized, crashing and disclosing memory.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.4aarch64jq0:1.6-16.el9_4.2jq-0:1.6-16.el9_4.2.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lejq0:1.6-16.el9_4.2jq-0:1.6-16.el9_4.2.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xjq0:1.6-16.el9_4.2jq-0:1.6-16.el9_4.2.s390x.rpm
Red Hat Enterprise Linux9.4x86_64jq0:1.6-16.el9_4.2jq-0:1.6-16.el9_4.2.x86_64.rpm
Red Hat Enterprise Linux9.4anyjq0:1.6-16.el9_4.2.i686jq-0:1.6-16.el9_4.2.i686.noarch.rpm
Red Hat Enterprise Linux9.4aarch64jq-debuginfo0:1.6-16.el9_4.2jq-debuginfo-0:1.6-16.el9_4.2.aarch64.rpm
Red Hat Enterprise Linux9.4ppc64lejq-debuginfo0:1.6-16.el9_4.2jq-debuginfo-0:1.6-16.el9_4.2.ppc64le.rpm
Red Hat Enterprise Linux9.4s390xjq-debuginfo0:1.6-16.el9_4.2jq-debuginfo-0:1.6-16.el9_4.2.s390x.rpm
Red Hat Enterprise Linux9.4x86_64jq-debuginfo0:1.6-16.el9_4.2jq-debuginfo-0:1.6-16.el9_4.2.x86_64.rpm
Red Hat Enterprise Linux9.4anyjq-debuginfo0:1.6-16.el9_4.2.i686jq-debuginfo-0:1.6-16.el9_4.2.i686.noarch.rpm
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02 Jun 2026 15:34Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
CVSS 46.9
EPSS0.00072
SSVC
5