CVE-2023-0645 Out of Bounds read in libjxl

What is CVE-2023-0645?

CVE-2023-0645 is a medium-severity memory corruption vulnerability in Libjxl, published on 11 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An out of bounds read exists in libjxl. An attacker using a specifically crafted file could cause an out of bounds read in the exif handler. We recommend upgrading to version 0.8.1 or past commit  https://github.com/libjxl/libjxl/pull/2101/commits/d95b050c1822a5b1ede9e0dc937e43fca1b10159 https://github.com/libjxl/libjxl/pull/2101/commits/d95b050c1822a5b1ede9e0dc937e43fca1b10159

Weakness: CWE-125

Which versions are affected by CVE-2023-0645?

It affects 1 product.

Products include Libjxl Project Libjxl.

How do I fix CVE-2023-0645?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-0645 being exploited?

There is no known exploitation of CVE-2023-0645 in the wild and no public exploit code.

Other vulnerabilities in Libjxl

• CVE-2021-27804 Memory corruption in n/a Critical 9.8
• CVE-2026-1837 libjxl: Out-of-bounds write in grayscale color transformation when using LCMS2 High 8.7
• CVE-2023-35790 Integer overflow in n/a High 7.5
• CVE-2021-36691 Denial of service in n/a High 7.5
• CVE-2024-11403 Out of Bounds Memory Read/Write in libjxl Medium 6.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-0645, GHSA-378h-jm2h-7wrm, UBUNTU-CVE-2023-0645.