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CVE-2023-22485 (GCVE-0-2023-22485)

Vulnerability from cvelistv5 – Published: 2023-01-24 00:26 – Updated: 2025-03-10 21:20
VLAI
Title
cmark-gfm out-of-bounds read in validate_protocol
Summary
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the `validate_protocol` function. We believe this bug is harmless in practice, because the out-of-bounds read accesses `malloc` metadata without causing any visible damage.This vulnerability has been patched in 0.29.0.gfm.7.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 21:02 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
github cmark-gfm Affected: < 0.29.0.gfm.7
guessed Create a notification for this product.
Show details on NVD website
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