CVE-2025-11679
5.9
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
Out-of-bounds Read in lws_upng_emit_next_line in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to read past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big height dimension.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| warmcat | libwebsockets | 4.0 <= 4.4.2 | affected |
| warmcat | libwebsockets | 4.0 <= 4.3.6 | affected |
Weaknesses
- CWE-125: CWE-125 Out-of-bounds Read
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://libwebsockets.org/git/libwebsockets/commit?id=7df24cca7144d7bc9233b6b0a71108bd154ce101
- https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11679
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.