Medium severity · published May 15, 2026
CVE-2026-8669
Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
Imager · TONYC
through 1.030 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8669
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8669
github.com
https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04.patch
metacpan.org
https://metacpan.org/release/TONYC/Imager-1.031/source/Changes
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/05/15/17
More from Imager
9.8
CVE-2026-14454
Imager versions before 1.033 for Perl treat unsigned EXIF IFD entry counts as signed
7.5
CVE-2026-19082
Imager versions from 0.45_02 before 1.034 for Perl may expose adjacent heap bytes via strlen() over-read from zero-count ASCII EXIF entries in copy_string_tags
7.1
CVE-2026-13705
Imager versions before 1.032 for Perl have a heap out-of-bounds read in the bundled Imager::File::SGI reader via a 16-bit RLE literal run in read_rgb_16_rle