CVE-2024-41440: A heap buffer overflow in the function png_quantize() of hicolor v0.5.0 allows attackers to cause a Denial of

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MEDIUM 6.2DOWNGRADE

CVE-2024-41440 is a medium-severity flaw (CVSS 6.2) affecting hicolor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A heap buffer overflow in the function png_quantize() of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-122
Published	2024-07-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dbohdan

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

Am I affected?

Timeline

2024-07-30 19:15 UTCPublished CVE record published
2026-06-17 07:47 UTCUpdated Record last modified

dbohdan hicolor DOWNGRADE

Affected: 0.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5.0 (Debian / Ubuntu)

apt-cache madison hicolor sudo apt install hicolor=<VERSION_BEFORE_0.5.0> sudo apt-mark hold hicolor

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list hicolor sudo dnf downgrade hicolor-<VERSION_BEFORE_0.5.0> sudo dnf versionlock add hicolor

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-41440?

hicolor: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-41440 being exploited?

CVE-2024-41440 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-2024-41440 affect?

CVE-2024-41440 affects hicolor. Severity is medium (CVSS 6.2). A heap buffer overflow in the function png_quantize() of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.

How urgent is CVE-2024-41440?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2024-41443 MEDIUM 5.5 DOWNGRADE A stack overflow in the function cp_dynamic() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause
CVE-2024-41439 MEDIUM 5.5 DOWNGRADE A heap buffer overflow in the function cp_block() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to c
CVE-2024-41438 MEDIUM 6.2 DOWNGRADE A heap buffer overflow in the function cp_stored() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to
CVE-2024-41437 MEDIUM 5.5 DOWNGRADE A heap buffer overflow in the function cp_unfilter() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers t

References

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