Veille CVE
CVE-2026-44638
2.5 FaibleDescription
libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a wrong NULL check after an allocation call in sixel_decode_raw and sixel_decode causes a NULL pointer dereference whenever the allocation fails. The check tests the address of the output parameter (always non-NULL) instead of the value the malloc returned. On allocation failure, the function continues and writes through a NULL pointer, crashing the process. This is a denial of service against any caller of these public APIs that hits a low-memory condition. This vulnerability is fixed in 1.8.7-r2.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 2.5 Faible | security-advisories@github.com | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L |
| 3.1 | 2.5 Faible | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L |
Faiblesses (CWE)
Références
- https://github.com/saitoha/libsixel/security/advisories/GHSA-wpx3-h5g8-qr3w ExploitVendor Advisory
- https://github.com/saitoha/libsixel/security/advisories/GHSA-wpx3-h5g8-qr3w ExploitVendor Advisory