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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-18090

Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 10

Default version status: unknown

Red Hat Red Hat Enterprise Linux 6

Default version status: unknown

Red Hat Red Hat Enterprise Linux 7

Default version status: unknown

Red Hat Red Hat Enterprise Linux 8

Default version status: unknown

Red Hat Red Hat Enterprise Linux 8

Default version status: unknown

Red Hat Red Hat Enterprise Linux 9

Default version status: unknown

Red Hat Red Hat Enterprise Linux 9

Default version status: unknown

Red Hat Red Hat Enterprise Linux 9

Default version status: unknown

Red Hat Red Hat Enterprise Linux 9

Default version status: unknown

References