# CVE-2026-38076: jbig2dec: An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a D...

CVE-2026-38076 is fixed in 7 products on 1 platform, first by jbig2dec 0.20-1ubuntu0.26.04.1, released July 9, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-38076
- Priority: High
- CVSS: 7.5 (Medium)
- EPSS: 0.0044
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 9, 2026

## Description

An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jbig2dec Debian 12.15 (bookworm) | 0.19-3+deb12u1 | [DEBIAN-CVE-2026-38076](https://patchblox.com/security/data/fix/linux/debian-cve-2026-38076.md) | Jul 9, 2026 |
| Linux | jbig2dec Debian 13.5 (trixie) | 0.20-1+deb13u1 | [DEBIAN-CVE-2026-38076](https://patchblox.com/security/data/fix/linux/debian-cve-2026-38076.md) | Jul 9, 2026 |
| Linux | jbig2dec Ubuntu 22.04.1 LTS (jammy) | 0.19-3ubuntu0.1 | [jbig2dec 0.19-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-jbig2dec-0.19-3ubuntu0.1.md) | Jul 23, 2026 |
| Linux | jbig2dec Ubuntu 24.04.5 LTS (noble) | 0.20-1ubuntu0.24.04.1 | [jbig2dec 0.20-1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-jbig2dec-0.20-1ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | jbig2dec Ubuntu 26.04.1 LTS (resolute) | 0.20-1ubuntu0.26.04.1 | [jbig2dec 0.20-1ubuntu0.26.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-jbig2dec-0.20-1ubuntu0.26.04.1.md) | Jul 9, 2026 |
| Linux | jbig2dec amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | jbig2dec-debuginfo amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | jbig2dec-debugsource amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | jbig2dec-devel amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | jbig2dec-libs amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | jbig2dec-libs-debuginfo amzn 2023 | 0.19-4.amzn2023.0.3 | [ALAS2023-2026-2027](https://patchblox.com/security/data/fix/linux/alas2023-2026-2027.md) | Aug 3, 2026 |
| Linux | libjbig2dec0 Ubuntu 22.04.1 LTS (jammy) | 0.19-3ubuntu0.1 | [libjbig2dec0 0.19-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjbig2dec0-0.19-3ubuntu0.1.md) | Jul 23, 2026 |
| Linux | libjbig2dec0 Ubuntu 24.04.5 LTS (noble) | 0.20-1ubuntu0.24.04.1 | [libjbig2dec0 0.20-1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjbig2dec0-0.20-1ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | libjbig2dec0 Ubuntu 26.04.1 LTS (resolute) | 0.20-1ubuntu0.26.04.1 | [libjbig2dec0 0.20-1ubuntu0.26.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libjbig2dec0-0.20-1ubuntu0.26.04.1.md) | Jul 9, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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