Bug 1955664 - fig2dev: Heap-buffer-overflow in gensvg.c in function gensvg_text
Summary: fig2dev: Heap-buffer-overflow in gensvg.c in function gensvg_text
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1955678
TreeView+ depends on / blocked
 
Reported: 2021-04-30 15:55 UTC by Pedro Sampaio
Modified: 2021-05-20 13:29 UTC (History)
10 users (show)

Fixed In Version:
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Last Closed: 2021-05-20 13:28:44 UTC
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Description Pedro Sampaio 2021-04-30 15:55:10 UTC 
A flaw was found in fig2dev Version 3.2.8a. A heap buffer overflow in function gensvg_text in gensvg.c may cause memory corruption and other potential consequences.

Upstream bug:

https://sourceforge.net/p/mcj/tickets/113/

Upstream fix:

https://sourceforge.net/p/mcj/fig2dev/ci/f8ce1ff8837056b12c046f56e3b5248b2c8eeaa1/
Comment 1 Riccardo Schirone 2021-05-12 13:13:25 UTC 
This is a buffer over-read and not a buffer over-write according to the ASAN log, so it is a much lower impact as a bug. No memory corruption can occur just by reading the memory, unless something else is done later.
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