| Name | CVE-2016-6303 |
| Description | Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-637-1, DSA-3673-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openssl (PTS) | jessie, jessie (lts) | 1.0.1t-1+deb8u22 | fixed |
| stretch (security) | 1.1.0l-1~deb9u6 | fixed |
| stretch (lts), stretch | 1.1.0l-1~deb9u10 | fixed |
| buster, buster (lts) | 1.1.1n-0+deb10u7 | fixed |
| buster (security) | 1.1.1n-0+deb10u6 | fixed |
| bullseye | 1.1.1w-0+deb11u1 | fixed |
| bullseye (security) | 1.1.1w-0+deb11u2 | fixed |
| bookworm | 3.0.15-1~deb12u1 | fixed |
| bookworm (security) | 3.0.14-1~deb12u2 | fixed |
| sid, trixie | 3.3.2-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://git.openssl.org/?p=openssl.git;a=commit;h=55d83bf7c10c7b205fffa23fa7c3977491e56c07
https://www.openssl.org/news/secadv/20160922.txt
Fixed in 1.0.2i, 1.0.1u