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Imager-1.024
⭐ Starred 27 / Imager::Regops
Security Advisories (2)
CVE-2024-53901 (2024-11-17)

"invalid next size" backtrace on use of trim on certain images

CVE-2026-8669 (2026-05-15)

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.

NAME

Imager::Regops - generated information about the register based virtual machine

SYNOPSIS

use Imager::Regops;
$Imager::Regops::Attr{$opname}->{opcode} # opcode for given operator
$Imager::Regops::Attr{$opname}->{parms} # number of parameters
$Imager::Regops::Attr{$opname}->{types} # types of parameters
$Imager::Regops::Attr{$opname}->{func} # operator is a function
$Imager::Regops::Attr{$opname}->{result} # r for numeric, p for pixel result
$Imager::Regops::MaxOperands; # maximum number of operands

DESCRIPTION

This module is generated automatically from regmach.h so we don't need to maintain the same information in at least one extra place.

At least that's the idea.

AUTHOR

Tony Cook, tony@develop-help.com

SEE ALSO

perl(1), Imager(3), http://imager.perl.org/