Name | CVE-2021-29970 |
Description | A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90. |
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-2709-1, DLA-2711-1, DSA-4939-1, DSA-4940-1 |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
firefox (PTS) | sid | 131.0-1 | fixed |
firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
bullseye (security) | 115.15.0esr-1~deb11u1 | fixed | |
bookworm | 115.14.0esr-1~deb12u1 | fixed | |
bookworm (security) | 128.3.0esr-1~deb12u1 | fixed | |
trixie | 115.15.0esr-1 | fixed | |
sid | 128.3.0esr-2 | fixed | |
thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
bullseye (security) | 1:115.15.0-1~deb11u1 | fixed | |
bookworm | 1:115.12.0-1~deb12u1 | fixed | |
bookworm (security) | 1:115.15.0-1~deb12u1 | fixed | |
trixie | 1:128.2.0esr-1 | fixed | |
sid | 1:128.3.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|---|---|---|---|---|---|
firefox | source | (unstable) | 90.0-1 | |||
firefox-esr | source | stretch | 78.12.0esr-1~deb9u1 | DLA-2709-1 | ||
firefox-esr | source | buster | 78.12.0esr-1~deb10u1 | DSA-4939-1 | ||
firefox-esr | source | (unstable) | 78.12.0esr-1 | |||
thunderbird | source | stretch | 1:78.12.0-1~deb9u1 | DLA-2711-1 | ||
thunderbird | source | buster | 1:78.12.0-1~deb10u1 | DSA-4940-1 | ||
thunderbird | source | (unstable) | 1:78.12.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2021-28/#CVE-2021-29970
https://www.mozilla.org/en-US/security/advisories/mfsa2021-29/#CVE-2021-29970
https://www.mozilla.org/en-US/security/advisories/mfsa2021-30/#CVE-2021-29970