ALAS2023-2026-1815: Security update for 4 packages

ALAS2023-2026-1815, released June 8, 2026, fixes 8 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.2

Base score, 0 to 10

Highest EPSS

0.0079

56th percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 5

Fixed package versions

Product	Release	Fixed in
jq	amzn 2023	1.8.1-59.amzn2023
jq-debuginfo	amzn 2023	1.8.1-59.amzn2023
jq-debugsource	amzn 2023	1.8.1-59.amzn2023
jq-devel	amzn 2023	1.8.1-59.amzn2023

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-32316	jq: Integer overflow in jvp_string_append() allows Heap-based Buffer Overflow	8.2	0.0079	None reported
High	CVE-2026-39979	jq: Out-of-Bounds Read in jv_parse_sized() Error Formatting for Non-NUL-Terminated Counted Buffers	8.2	0.0056	None reported
High	CVE-2026-40164	jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed	8.2	0.0037	None reported
Routine	CVE-2026-33948	jq: Embedded-NUL Truncation in CLI JSON Input Path Causes Prefix-Only Validation of Malformed Input	5.3	0.0026	None reported
Routine	CVE-2026-33947	jq: Unbounded Recursion in jv_setpath(), jv_getpath() and delpaths_sorted()	6.2	0.0023	None reported
Routine	CVE-2026-39956	jq: Missing runtime type checks for _strindices lead to crash and limited memory disclosure	6.1	0.0017	None reported
Routine	CVE-2026-43894	jq: Wild stack write via signed-integer overflow in decNumber D2U() macro	6.2	0.0016	None reported
Routine	CVE-2026-43896	jq: Stack Overflow in Recursive Object Merge	6.2	0.0015	None reported

Also fixes CVE-2026-32316

OPENSUSE-SU-2026:21248-1
jq on opensuse-leap 16.0
SUSE-SU-2026:22566-1
jq on sles 16.0
jq 1.6-1ubuntu0.20.04.1+esm2
jq on Ubuntu 20.04 LTS (focal)
jq 1.6-2.1ubuntu3.2
jq on Ubuntu 22.04.1 LTS (jammy)
jq 1.7.1-3ubuntu0.24.04.2
jq on Ubuntu 24.04.5 LTS (noble)
jq 1.8.1-3ubuntu1.1
jq on Ubuntu 25.10 (questing)
jq 1.8.1-4ubuntu2
jq on Ubuntu 26.04.1 LTS (resolute)
libjq1 1.6-1ubuntu0.20.04.1+esm2
libjq1 on Ubuntu 20.04 LTS (focal)

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1815.html

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