Name | CVE-2021-23968 |
Description | If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8. |
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-2575-1, DLA-2578-1, DSA-4862-1, DSA-4866-1 |
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) | 128.3.0esr-1~deb11u2 | 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) | 86.0-1 | |||
firefox-esr | source | stretch | 78.8.0esr-1~deb9u1 | DLA-2575-1 | ||
firefox-esr | source | buster | 78.8.0esr-1~deb10u1 | DSA-4862-1 | ||
firefox-esr | source | (unstable) | 78.8.0esr-1 | |||
thunderbird | source | stretch | 1:78.8.0-1~deb9u1 | DLA-2578-1 | ||
thunderbird | source | buster | 1:78.8.0-1~deb10u1 | DSA-4866-1 | ||
thunderbird | source | (unstable) | 1:78.8.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2021-07/#CVE-2021-23968
https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23968
https://www.mozilla.org/en-US/security/advisories/mfsa2021-09/#CVE-2021-23968