[Secure-testing-team] Bug#889683: openjpeg2: CVE-2018-6616: Excessive Iteration in opj_t1_encode_cblks

[Salvatore Bonaccorso]

Source: openjpeg2
Version: 2.3.0-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/uclouvain/openjpeg/issues/1059

Hi,

the following vulnerability was published for openjpeg2.

CVE-2018-6616[0]:
| In OpenJPEG 2.3.0, there is excessive iteration in the
| opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could
| leverage this vulnerability to cause a denial of service via a crafted
| bmp file.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-6616
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6616
[1] https://github.com/uclouvain/openjpeg/issues/1059

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore