Bug#1059275: libde265: CVE-2023-49465 CVE-2023-49467 CVE-2023-49468

[Moritz Mühlenhoff <jmm@inutil.org>]

Source: libde265
X-Debbugs-CC: team@security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerabilities were published for libde265.

CVE-2023-49465[0]:
| Libde265 v1.0.14 was discovered to contain a heap-buffer-overflow
| vulnerability in the derive_spatial_luma_vector_prediction function
| at motion.cc.

https://github.com/strukturag/libde265/issues/435

CVE-2023-49467[1]:
| Libde265 v1.0.14 was discovered to contain a heap-buffer-overflow
| vulnerability in the derive_combined_bipredictive_merging_candidates
| function at motion.cc.

https://github.com/strukturag/libde265/issues/434

CVE-2023-49468[2]:
| Libde265 v1.0.14 was discovered to contain a global buffer overflow
| vulnerability in the read_coding_unit function at slice.cc.

https://github.com/strukturag/libde265/issues/432
Fixed by: https://github.com/strukturag/libde265/commit/3e822a3ccf88df1380b165d6ce5a00494a27ceeb

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

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-49465
    https://www.cve.org/CVERecord?id=CVE-2023-49465
[1] https://security-tracker.debian.org/tracker/CVE-2023-49467
    https://www.cve.org/CVERecord?id=CVE-2023-49467
[2] https://security-tracker.debian.org/tracker/CVE-2023-49468
    https://www.cve.org/CVERecord?id=CVE-2023-49468

Please adjust the affected versions in the BTS as needed.