Bug 2122360 (CVE-2020-35534) - CVE-2020-35534 LibRaw: Memory corruption in "crxFreeSubbandData()" function
Summary: CVE-2020-35534 LibRaw: Memory corruption in "crxFreeSubbandData()" function
Keywords:
Status: NEW
Alias: CVE-2020-35534
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2135637
Blocks: 2122363
TreeView+ depends on / blocked
 
Reported: 2022-08-29 21:05 UTC by Pedro Sampaio
Modified: 2025-03-06 15:36 UTC (History)
17 users (show)

Fixed In Version: LibRaw 0.21-Beta1, LibRaw 0.20.2, LibRaw 0.20.1, LibRaw 0.20.0, LibRaw 0.20-RC2
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2022-08-29 21:05:22 UTC 
In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData()" function (libraw\src\decoders\crx.cpp) when processing cr3 files.

Upstream issue:

https://github.com/LibRaw/LibRaw/issues/279

Upstream fix:

https://github.com/LibRaw/LibRaw/commit/e41f331e90b383e3208cefb74e006df44bf3a4b8
Comment 1 Debarshi Ray 2022-09-07 10:55:06 UTC 
What's the severity of this CVE?  Low?

For what it's worth, this CVE neither affects the LibRaw package in Fedora (F >= 35 has 0.20.2) nor in RHEL 9 (has 0.20.2).

I didn't check packages that carry other copies of the same code (eg., dcraw).
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