| Name | CVE-2023-6865 |
| Description | `EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. |
| 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-3697-1, DSA-5581-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 125.0.2-1 | fixed |
| firefox-esr (PTS) | jessie, jessie (lts) | 68.9.0esr-1~deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 91.11.0esr-1~deb9u1 | vulnerable |
| buster | 91.12.0esr-1~deb10u1 | vulnerable |
| buster (security) | 115.10.0esr-1~deb10u1 | fixed |
| bullseye | 115.7.0esr-1~deb11u1 | fixed |
| bullseye (security) | 115.10.0esr-1~deb11u1 | fixed |
| bookworm | 115.7.0esr-1~deb12u1 | fixed |
| bookworm (security) | 115.10.0esr-1~deb12u1 | fixed |
| trixie | 115.8.0esr-1 | fixed |
| sid | 115.10.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6865
https://www.mozilla.org/en-US/security/advisories/mfsa2023-54/#CVE-2023-6865