Bug 1542321 (CVE-2018-6616) - CVE-2018-6616 openjpeg2: Excessive iteration in openjp2/t1.c:opj_t1_encode_cblks can allow for denial of service via crafted BMP file
Summary: CVE-2018-6616 openjpeg2: Excessive iteration in openjp2/t1.c:opj_t1_encode_cb...
Alias: CVE-2018-6616
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1542322 1542323 1699100 1699121
Blocks: 1696282
TreeView+ depends on / blocked
Reported: 2018-02-06 05:32 UTC by Sam Fowler
Modified: 2021-10-21 19:54 UTC (History)
4 users (show)

Fixed In Version: openjpeg 2.3.1
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2021-10-21 19:54:09 UTC

Attachments (Terms of Use)
Upstream patch (2.41 KB, patch)
2019-04-11 19:18 UTC, Marco Benatto
no flags Details | Diff

Description Sam Fowler 2018-02-06 05:32:58 UTC
In OpenJPEG 2.3.0, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

Upstream Issue:


Comment 1 Sam Fowler 2018-02-06 05:33:22 UTC
Created openjpeg2 tracking bugs for this issue:

Affects: epel-all [bug 1542322]
Affects: fedora-all [bug 1542323]

Comment 4 Marco Benatto 2019-04-11 19:18:52 UTC
Created attachment 1554622 [details]
Upstream patch

Comment 9 Marco Benatto 2019-04-12 13:11:59 UTC

This issue did not affect Red Hat Enterprise Linux 7.6 and older versions as they didn't include support for openjpeg2.

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