Linux · 
Ubuntu · Package update · April 13, 2026
Ubuntu · Package update · April 13, 2026libjq1 1.5+dfsg-2ubuntu0.1~esm2: libjq1 1.5+dfsg-2ubuntu0.1~esm2 for Ubuntu 18.04.6 LTS (bionic)
libjq1 1.5+dfsg-2ubuntu0.1~esm2, released April 13, 2026, fixes 5 CVEs in libjq1. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
5
None rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0081
57th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 2
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libjq1 | Ubuntu 18.04.6 LTS (bionic) | 1.5+dfsg-2ubuntu0.1~esm2 |
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 | 0.0081 | 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 | 0.0058 | None reported |
| Routine | CVE-2026-33948 | jq: Embedded-NUL Truncation in CLI JSON Input Path Causes Prefix-Only Validation of Malformed Input | 5.3 | 0.0027 | None reported |
| Routine | CVE-2026-33947 | jq: Unbounded Recursion in jv_setpath(), jv_getpath() and delpaths_sorted() | 6.2 | 0.0024 | None reported |
| Routine | CVE-2026-39956 | jq: Missing runtime type checks for _strindices lead to crash and limited memory disclosure | 6.1 | 0.0018 | None reported |
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