CVE-2026-18090
A flaw was found in gdk-pixbuf. This vulnerability allows a remote attacker to cause a heap out-of-bounds read by providing a specially crafted Apple Icon Image (.icns) file. The uncompress() function, which handles RLE-encoded ICNS icon data, fails to validate the source buffer's boundaries during decompression. This can lead to a denial of service, where the application crashes, or to information disclosure, potentially revealing sensitive data from adjacent memory.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- EPSS probability
- 0.17%
- CWE
- CWE-125
- Published
- 2026-09-08
- Last modified
- 2026-09-09
Weakness type
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