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High ELSA-2026-16693 2 CVEs

Important: jq security update (Oracle Linux 9)

Published May 13, 2026 · Updated May 13, 2026

Ecosystem: Oracle Linux

Summary

[1.6-19.0.2]
- Fix CVE-2026-40164 - Denial of Service via crafted JSON object causing hash collisions
- Resolves: RHEL-168184

[1.6-19.1]
- Fix CVE-2026-39979 out-of-bounds read in jv_parse_sized()
- Resolves: RHEL-168201

[1.6-19]
- Fix CVE-2025-48060
- Resolves: RHEL-92993

[1.6-18]
- Fix CVE-2024-23337
- Resolves: RHEL-92975

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 9 jq 0:1.6-19.el9_7.0.2
Oracle Linux · 9 jq-devel 0:1.6-19.el9_7.0.2

Vulnerabilities 2

  • High 7.5
    CVE-2026-40164

    jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed

    jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON object hash table operations, which allowed an attacker to precompute key collis…

    jqlang jq jq jq Debian Ubuntu Azure Linux Alpine
  • Medium 6.9
    CVE-2026-39979

    jq: Out-of-Bounds Read in jv_parse_sized() Error Formatting for Non-NUL-Terminated Counted Buffers

    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_…

    jqlang jq jq jq Debian Ubuntu Azure Linux Alpine