| Name | CVE-2019-20503 |
| Description | usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2140-1, DLA-2150-1, DSA-4639-1, DSA-4642-1, DSA-4645-1 |
| NVD severity | medium |
| Debian Bugs | 953270 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| chromium (PTS) | stretch (security), stretch | 73.0.3683.75-1~deb9u1 | vulnerable |
| buster | 89.0.4389.114-1~deb10u1 | fixed |
| buster (security) | 90.0.4430.212-1~deb10u1 | fixed |
| bookworm, bullseye | 90.0.4430.212-1 | fixed |
| sid | 93.0.4577.82-1 | fixed |
| firefox (PTS) | sid | 92.0-1 | fixed |
| firefox-esr (PTS) | stretch | 68.10.0esr-1~deb9u1 | fixed |
| stretch (security) | 78.14.0esr-1~deb9u1 | fixed |
| buster | 78.11.0esr-1~deb10u1 | fixed |
| buster (security) | 78.14.0esr-1~deb10u1 | fixed |
| bullseye | 78.12.0esr-1 | fixed |
| bullseye (security) | 78.14.0esr-1~deb11u1 | fixed |
| bookworm, sid | 78.14.0esr-1 | fixed |
| libusrsctp (PTS) | buster | 0.9.3.0+20190127-2 | vulnerable |
| bullseye | 0.9.3.0+20201102-2 | fixed |
| bookworm, sid | 0.9.5.0-2 | fixed |
| thunderbird (PTS) | stretch | 1:68.10.0-1~deb9u1 | fixed |
| stretch (security) | 1:78.14.0-1~deb9u1 | fixed |
| buster | 1:78.6.0-1~deb10u1 | fixed |
| buster (security) | 1:78.14.0-1~deb10u1 | fixed |
| bullseye | 1:78.12.0-1 | fixed |
| bullseye (security) | 1:78.14.0-1~deb11u1 | fixed |
| bookworm, sid | 1:78.14.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libusrsctp <no-dsa> (Minor issue)
[stretch] - chromium <end-of-life> (see DSA 4562)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/#CVE-2019-20503
https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/#CVE-2019-20503
https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2019-20503
https://bugs.chromium.org/p/project-zero/issues/detail?id=1992
https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467