VulnerabilityModified
CVE-2023-6865
`EncryptingOutputStream` was susceptible to exposing uninitialized data.
MEDIUM 6.5EPSS 0.89%
Does this matter?
Lower severity and a low EPSS score (0.89%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.89% probability · 57th percentile
- CISA KEV
- Not listed
- Affected
- mozilla/firefox · mozilla/firefox esr · debian/debian linux
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1864123Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1864123Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.