Orta CVSS 6.5 PoC var

CVE-2026-39979: Jq: sınır dışı okuma

Yayın: 14 Nisan 2026 02:16 · Güncelleme: 6 Kasım 2026 10:16

Açıklama (NVD)

jq is a command-line JSON processor. In commits before 2f09060afab23fe9390cce7cb860b10416e1bf5f, the jv_parse_sized() API in libjq accepts a counted buffer with an explicit length parameter, but its error-handling path formats the input buffer using %s in jv_string_fmt(), which reads until a NUL terminator is found rather than respecting the caller-supplied length. This means that when malformed JSON is passed in a non-NUL-terminated buffer, the error construction logic performs an out-of-bounds read past the end of the buffer. The vulnerability is reachable by any libjq consumer calling jv_parse_sized() with untrusted input, and depending on memory layout, can result in memory disclosure or process termination. The issue has been patched in commit 2f09060afab23fe9390cce7cb860b10416e1bf5f.

Özet bilgiler

Ürün: Jqlang Jq
CVSS v3.1: 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0: 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: %0,56 (yüzdelik 47)
CWE: CWE-125
Yama: Mevcut

Etkilenen sürümler

Ürün	Başlangıç	Bitiş	Düzeltildi
jqlang-jq	—	—	1.8.2
redhat-ai-inference-server	3.2.0	—	3.2.2
redhat-ai-inference-server	3.3.0	—	3.3.5
redhat-ansible-automation-platform	2.0	2.0	—
redhat-ceph-storage	4.0	4.0	—
redhat-codeready-linux-builder	8.0	8.0	—
redhat-codeready-linux-builder	9.0	9.0	—
redhat-codeready-linux-builder	10.0	10.0	—
redhat-codeready-linux-builder-eus	9.4	9.4	—
redhat-codeready-linux-builder-eus	9.6	9.6	—
redhat-codeready-linux-builder-eus	10.0	10.0	—
redhat-hardened-images	—	—	—
redhat-openshift-ai	3.4	—	3.4.3
redhat-openshift-container-platform	4.12	—	4.12.92
redhat-openshift-container-platform	4.13	—	4.13.68
redhat-openshift-container-platform	4.14	—	4.14.68
redhat-openshift-container-platform	4.15	—	4.15.65
redhat-openshift-container-platform	4.16	—	4.16.64
redhat-openshift-container-platform	4.17	—	4.17.55
redhat-openshift-container-platform	4.18	—	4.18.44
redhat-openshift-container-platform	4.19	—	4.19.33
redhat-enterprise-linux	8.0	8.0	—
redhat-enterprise-linux	9.0	9.0	—
redhat-enterprise-linux	10.0	10.0	—
redhat-enterprise-linux-aus	8.4	8.4	—
redhat-enterprise-linux-aus	8.6	8.6	—
redhat-enterprise-linux-eus	8.4	8.4	—
redhat-enterprise-linux-eus	9.4	9.4	—
redhat-enterprise-linux-eus	9.6	9.6	—
redhat-enterprise-linux-eus	10.0	10.0	—

Kaynaklar

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