CVE-2023-29407: Excessive CPU consumption when decoding 0-height images in golang.org/x/image/tiff

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-02 · updated 2026-06-17
Weakness: CWE-834

Description

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size (width * height) appearing to be zero.

Affected products

Fedoraproject Fedora: 37, 38
golang.org/x/image/webp: before 0.10.0 — fixed in 0.10.0

How to fix

Upgrade to a fixed version: golang.org/x/image/webp 0.10.0. Check the vendor advisory for mitigations.

References

https://go.dev/cl/514897
https://go.dev/issue/61581
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KO54NBDUJXKAZNGCFOEYL2LKK2RQP6K6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWH6Q7NVM4MV3GWFEU4PA67AWZHVFJQ2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XZTEP6JYILRBNDTNWTEQ5D4QUUVQBESK/
https://pkg.go.dev/vuln/GO-2023-1990
https://security.netapp.com/advisory/ntap-20230831-0009/
https://go.dev/cl/514897
https://go.dev/issue/61581
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KO54NBDUJXKAZNGCFOEYL2LKK2RQP6K6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWH6Q7NVM4MV3GWFEU4PA67AWZHVFJQ2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XZTEP6JYILRBNDTNWTEQ5D4QUUVQBESK/

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