# CVE-2022-31620: libjpeg: In libjpeg before 1.64, BitStream::Get in bitstream.hpp has an assertion failure that may cause denial of service CVE-2022-31620 is fixed in libjpeg on 1 platform, first by DEBIAN-CVE-2022-31620, released May 25, 2022. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2022-31620 - Priority: Routine - CVSS: 6.5 (medium) - EPSS: 0.0143 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 25, 2022 ## Description In libjpeg before 1.64, BitStream::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libjpeg Debian 12.15 (bookworm) | 0.0~git20220615.842c7ba-1 | [DEBIAN-CVE-2022-31620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31620.md) | May 25, 2022 | | Linux | libjpeg Debian 13.5 (trixie) | 0.0~git20220615.842c7ba-1 | [DEBIAN-CVE-2022-31620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31620.md) | May 25, 2022 | | Linux | libjpeg Debian 14 | 0.0~git20220615.842c7ba-1 | [DEBIAN-CVE-2022-31620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31620.md) | May 25, 2022 | --- 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.