🛡️ SUSE-SU-2026:20917-1 — imagemagick (CVE-2026-24484 +17 more)

Security update for ImageMagick

This update for ImageMagick fixes the following issues:

• CVE-2026-24484: denial of service vulnerability via multi-layer nested MVG to SVG conversion (bsc#1258790).
• CVE-2026-28493: integer overflow in the SIXEL decoder leads to out-of-bounds write (bsc#1259446).
• CVE-2026-28494: missing bounds checks in the morphology kernel parsing functions can lead to a stack buffer overflow

(bsc#1259447).

• CVE-2026-28686: undersized output buffer allocation in the PCL encoder can lead to a heap buffer overflow

(bsc#1259448).

• CVE-2026-28687: heap use-after-free vulnerability in the MSL decoder via a crafted MSL file (bsc#1259450).
• CVE-2026-28688: heap use-after-free in the MSL encoder when a cloned image is destroyed twice (bsc#1259451).
• CVE-2026-28689: domain="path" authorization is checked before final file open/use and allows for read/write bypass

via symlink swaps (bsc#1259452).

• CVE-2026-28690: missing bounds check in the MNG encoder can lead to a stack buffer overflow (bsc#1259456).
• CVE-2026-28691: missing check in the JBIG decoder can lead to an uninitialized pointer dereference (bsc#1259455).
• CVE-2026-28692: 32-bit integer overflow in MAT decoder can lead to a heap buffer over-read (bsc#1259457).
• CVE-2026-28693: integer overflow in the DIB coder can lead to an out-of-bounds read or write (bsc#1259466).
• CVE-2026-30883: missing bounds check when encoding a PNG image can lead to a heap buffer over-write (bsc#1259467).
• CVE-2026-30929: improper use of fixed-size stack buffer in MagnifyImagecan lead to a stack buffer overflow

(bsc#1259468).

• CVE-2026-30931: value truncation in the UHDR encoder can lead to a heap buffer overflow (bsc#1259469).
• CVE-2026-30935: heap-based buffer over-read in BilateralBlurImage (bsc#1259497).
• CVE-2026-30936: heap Buffer Overflow in WaveletDenoiseImage (bsc#1259464).
• CVE-2026-30937: heap buffer overflow in XWD encoder due to CARD32 arithmetic overflow (bsc#1259463).
• CVE-2026-31853: heap buffer overflow leads to crash in the SFW decoder of 32-bit systems when processing extremely

large images (bsc#1259528).