CVE-2024-41439: hicolor · Out-of-bounds Write
Affects hicolorSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubhelson-s/hicolorpkg:github/helson-s/hicolorOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Avoid processing PNG files from untrusted or unauthenticated sources until a patch is available.
- Implement strict input validation and sandboxing for applications that handle PNG images to contain potential crashes.
- Monitor application logs and system stability for signs of crashes or abnormal behavior related to image processing.
- Employ application whitelisting and restrict execution of unknown or suspicious files.
- If possible, replace or update the hicolor library to a version without this vulnerability once released.
- Use network-level controls to block or quarantine suspicious image files in email gateways or file transfer systems.
- Educate users about the risks of opening unexpected or unsolicited image files.
- Consider deploying runtime protection tools that can detect and mitigate heap buffer overflows dynamically.
Description
A heap buffer overflow in the function cp_block() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.
References
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5 (opens in a new tab)
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5/vulDescription.md (opens in a new tab)
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5/poc (opens in a new tab)
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5/poc/sample13.png (opens in a new tab)
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5/vulDescription.assets/image-20240530192505615.png (opens in a new tab)
- github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-w98-cp_block-5c0-cute_png-642c5/vulDescription.assets/image-20240531002753478.png (opens in a new tab)