CVE-2023-29407: A maliciously-crafted image can cause excessive CPU consumption in decoding

Q: How do I fix CVE-2023-29407?

image: upgrade to 0.10.0; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-29407 being exploited?

CVE-2023-29407 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-29407 affect?

CVE-2023-29407 affects image, fedora. Severity is medium (CVSS 6.5). 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.

Q: How urgent is CVE-2023-29407?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADEMITIGATE

CVE-2023-29407 is a medium-severity flaw (CVSS 6.5) affecting image, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-834
Published	2023-08-02
Last modified	2026-06-17

Publisher (CNA): Go Project · Vendor: fedoraproject · golang

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-08-02 20:15 UTCPublished CVE record published
2026-06-17 05:49 UTCUpdated Record last modified

golang image UPGRADE

Affected: < 0.10.0

Fixed in: 0.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy image || rpm -q image || image --version

2. UPGRADE to 0.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade image

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade image

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

fedoraproject fedora MITIGATE

Affected: 37 · 38

Fixed in: no fixed release known

Safe to downgrade to: a release before 37

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-29407?

image: upgrade to 0.10.0; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-29407 being exploited?

CVE-2023-29407 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-29407 affect?

CVE-2023-29407 affects image, fedora. Severity is medium (CVSS 6.5). 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.

How urgent is CVE-2023-29407?

Priority 37/100. No elevated risk signals yet.

Software pages

Go (Golang) vulnerabilities

Related CVEs

CVE-2026-33813 HIGH 7.5 UPGRADE Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
CVE-2026-33812 MEDIUM 6.1 UPGRADE Parsing a malicious font file can cause excessive memory allocation.
CVE-2023-29408 MEDIUM 6.5 UPGRADE MITIGATE The TIFF decoder does not place a limit on the size of compressed tile data
CVE-2022-41727 MEDIUM 5.5 UPGRADE MITIGATE An attacker can craft a malformed TIFF image which will consume a significant amount of memory when passed to
CVE-2020-35916 MEDIUM 5.5 UPGRADE An issue was discovered in the image crate before 0.23.12 for Rust

References

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