Source: olm Version: 3.2.1~dfsg-7 Severity: important Tags: security upstream X-Debbugs-Cc: car...@debian.org, Debian Security Team <t...@security.debian.org> Control: fixed -1 3.2.3~dfsg-1
Hi, The following vulnerability was published for olm. CVE-2021-34813[0]: | Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to | crash a client (while it is attempting to retrieve an Olm encrypted | room key backup from the homeserver) because olm_pk_decrypt has a | stack-based buffer overflow. Remote code execution might be possible | for some nonstandard build configurations. 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-2021-34813 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34813 [1] https://gitlab.matrix.org/matrix-org/olm/-/commit/ccc0d122ee1b4d5e5ca4ec1432086be17d5f901b [2] https://matrix.org/blog/2021/06/14/adventures-in-fuzzing-libolm Please adjust the affected versions in the BTS as needed. Regards, Salvatore
