libimager-perl: Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files
CVE-2026-8669 is fixed in libimager-perl on 1 platform by DEBIAN-CVE-2026-8669 (version 1.031+dfsg-1), released May 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files. Imager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file. The page-match branch validates Image.Width + Image.Left > SWidth before each DGifGetLine write, but the parallel skip-image branch at imgif.c:790-805 calls DGifGetLine(GifFile, GifRow, Width) with no such check.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libimager-perl · Debian 14 | 1.031+dfsg-1 | DEBIAN-CVE-2026-8669 | May 27, 2026 |
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