/ 
Imager-0.42
/ Imager::Font::FreeType2
Security Advisories (7)
CVE-2016-1238 (2016-08-02)

Imager would search the default current directory entry in @INC when searching for file format support modules.

CVE-2008-1928 (2008-04-24)

Buffer overflow in Imager 0.42 through 0.63 allows attackers to cause a denial of service (crash) via an image based fill in which the number of input channels is different from the number of output channels.

CVE-2007-2459 (2007-05-02)

Heap-based buffer overflow in the BMP reader (bmp.c) in Imager perl module (libimager-perl) 0.45 through 0.56 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted 8-bit/pixel compressed BMP files.

CPANSA-Imager-2014-01 (2014-01-03)

When drawing on an image with an alpha channel where the source minimum is greater than zero, Imager would read from beyond the end of a malloc() allocated buffer. In rare circumstances this could lead to some of the source image not being written to the target image, or possibly to a segmentation fault.

CVE-2024-53901 (2024-11-17)

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

CVE-2006-0053 (2006-04-10)

Imager (libimager-perl) before 0.50 allows user-assisted attackers to cause a denial of service (segmentation fault) by writing a 2- or 4-channel JPEG image (or a 2-channel TGA image) to a scalar, which triggers a NULL pointer dereference.

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::Font::FreeType2 - low-level functions for FreeType2 text output

DESCRIPTION

Imager::Font creates a Imager::Font::FreeType2 object when asked to.

See Imager::Font to see how to use this type.

This class provides low-level functions that require the caller to perform data validation.

This driver supports:

transform()
dpi()
draw()

The following parameters:

utf8
vlayour
sizew

Special behaviors

If you call transform() to set a transformation matrix, hinting will be switched off. This prevents sudden jumps in the size of the text caused by the hinting when the transformation is the identity matrix. If for some reason you want hinting enabled, use $font->hinting(hinting=>1) to re-enable hinting. This will need to be called after each call to transform().

AUTHOR

Addi, Tony