CVE-2023-34474

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-16 · updated 2026-06-17
Weakness: CWE-122

Description

A heap-based buffer overflow issue was discovered in ImageMagick's ReadTIM2ImageData() function in coders/tim2.c. A local attacker could trick the user in opening specially crafted file, triggering an out-of-bounds read error, allowing an application to crash, resulting in a denial of service.

Affected products

Fedoraproject Extra Packages For Enterprise Linux: 8.0
Fedoraproject Fedora: 37, 38
ImageMagick: before 7.1.1-10 — fixed in 7.1.1-10

How to fix

Upgrade to a fixed version: ImageMagick 7.1.1-10. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2023-34474
https://bugzilla.redhat.com/show_bug.cgi?id=2214148
https://github.com/ImageMagick/ImageMagick/commit/1061db7f80fdc9ef572ac60b55f408f7bab6e1b0
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45DUUXYMAEEAW55GSLAXN25VPKCRAIDA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4UFQJCYJ23HWHNDOVKBHZQ7HCXXL6MM3/
https://access.redhat.com/security/cve/CVE-2023-34474
https://bugzilla.redhat.com/show_bug.cgi?id=2214148
https://github.com/ImageMagick/ImageMagick/commit/1061db7f80fdc9ef572ac60b55f408f7bab6e1b0
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45DUUXYMAEEAW55GSLAXN25VPKCRAIDA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4UFQJCYJ23HWHNDOVKBHZQ7HCXXL6MM3/

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