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Bug 918436 (CVE-2023-36193, CVE-2023-46009) - <media-gfx/gifsicle-1.94: floating point exception DoS
Summary: <media-gfx/gifsicle-1.94: floating point exception DoS
Alias: CVE-2023-36193, CVE-2023-46009
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
Whiteboard: B3 [glsa? cleanup]
Depends on: 923912
  Show dependency tree
Reported: 2023-11-24 21:38 UTC by John Helmert III
Modified: 2024-02-22 06:03 UTC (History)
3 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-11-24 21:38:36 UTC

gifsicle-1.94 was found to have a floating point exception (FPE) vulnerability via resize_stream at src/xform.c.

Patches available, seemingly no release yet:
Comment 1 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-11-24 21:39:38 UTC
CVE-2023-36193 (

Gifsicle v1.9.3 was discovered to contain a heap buffer overflow via the ambiguity_error component at /src/clp.c.

This one's fixed in 1.94:
Comment 2 Larry the Git Cow gentoo-dev 2024-02-04 13:40:55 UTC
The bug has been referenced in the following commit(s):

commit df23eb8615a940966c296847601bcb91d3bb8435
Author:     Hanno Böck <>
AuthorDate: 2024-02-04 13:32:13 +0000
Commit:     Hanno Böck <>
CommitDate: 2024-02-04 13:40:36 +0000

    media-gfx/gifsicle: Version bump and security fix
    CVE-2023-36193 is fixed in 1.94.
    CVE-2023-46009 fixed by patch from upstream repo (not released yet).
    Signed-off-by: Hanno Böck <>

 media-gfx/gifsicle/Manifest                        |  1 +
 .../files/gifsicle-1.94-CVE-2023-46009.patch       | 94 ++++++++++++++++++++++
 media-gfx/gifsicle/gifsicle-1.94.ebuild            | 33 ++++++++
 3 files changed, 128 insertions(+)