CVE-2026-8669
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
15/05/2026
Last modified:
15/05/2026
Description
Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files.<br />
<br />
Imager::File::GIF&#39;s i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF&#39;s global screen width &#39;SWidth&#39; and reuses it across every image in the file.<br />
<br />
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.
Impact
Base Score 3.x
6.50
Severity 3.x
MEDIUM