Bug 1984051 (CVE-2020-36427) - CVE-2020-36427 gthumb: DoS via malformed JPEG image
Summary: CVE-2020-36427 gthumb: DoS via malformed JPEG image
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-36427
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1984052
Blocks: 1984053
TreeView+ depends on / blocked
 
Reported: 2021-07-20 14:04 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-07-29 19:06 UTC (History)
8 users (show)

Fixed In Version: gthumb 3.10.1
Doc Type: If docs needed, set a value
Doc Text:
There's a flaw in gThumb. An attacker who is able to trick a victim into opening a specially crafted file with gThumb could trigger a crash via assertion failure or memory leak. The greatest impact of this flaw is to application availability.
Clone Of:
Environment:
Last Closed: 2021-07-29 19:06:56 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-07-20 14:04:56 UTC 
GNOME gThumb before 3.10.1 allows an application crash via a malformed JPEG image.

Reference:
https://mail.gnome.org/archives/gthumb-list/2020-September/msg00001.html
Comment 1 Guilherme de Almeida Suckevicz 2021-07-20 14:05:24 UTC 
Created gthumb tracking bugs for this issue:

Affects: epel-7 [bug 1984052]
Comment 2 Todd Cullum 2021-07-29 17:55:53 UTC 
Pretty sure this is the upstream patch commit: https://gitlab.gnome.org/GNOME/gthumb/-/commit/9729b8688d5d67c01deabea46ad469ec517250c5 . Please see commit message there for more details.
Comment 3 Todd Cullum 2021-07-29 18:02:18 UTC 
Upstream issue with more details and reproduction info: https://gitlab.gnome.org/GNOME/gthumb/-/issues/106
Comment 4 Product Security DevOps Team 2021-07-29 19:06:56 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-36427
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