Integer overflow in Dloebl Cgif
CVE-2026-4985
A vulnerability was identified in dloebl CGIF up to 0.5.2. This vulnerability affects the function cgif_addframe of the file src/cgif.c of the component GIF Image Handler. The manipulation of the argument width/height leads to integer over…
Vulnerability class: Integer Overflow
EPSS: 0.000 (4.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C.
Affected products
- Dloebl Cgif — versions 0.5.0, 0.5.1, 0.5.2
Weakness classification (CWE)
References
- VDB-353874 | dloebl CGIF GIF Image cgif.c cgif_addframe integer overflow (vdb-entry, technical-description)
- VDB-353874 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #778278 | dloebl CGIF v0.4.0 to v0.5.2 Integer Overflow (third-party-advisory)
- github.com/dloebl/cgif/issues/110 (issue-tracking)
- github.com/dloebl/cgif/pull/112 (issue-tracking, patch)
- github.com/dloebl/cgif/commit/b0ba830093f4317a5d1f345715d2fa3cd2dab474 (patch)
- github.com/dloebl/cgif/ (product)
Frequently asked questions
- What is CVE-2026-4985?
- CVE-2026-4985 is a medium-severity vulnerability in Dloebl Cgif, classified under Integer Overflow or Wraparound. CVSS score: 4.3/10. Published 2026-03-27.
- How severe is CVE-2026-4985?
- Medium severity. CVSS v3 base score is 4.3 out of 10.