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Fencer Intel
medium 6.1

CVE-2022-36316 json

When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the tar…

published 3y ago modified 4mo ago also EUVD-2022-39032

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the target URL had been subject to a redirect. This vulnerability affects Firefox < 103.

Patch / fix

  • Mozilla Firefox 103
  • firefox Ubuntu 18.04 LTS 103.0+build1-0ubuntu0.18.04.1
  • firefox Ubuntu 20.04 LTS 103.0+build1-0ubuntu0.20.04.1
  • thunderbird Ubuntu 20.04 LTS 1:102.2.2+build1-0ubuntu0.20.04.1
  • thunderbird Ubuntu 22.04 LTS 1:102.2.2+build1-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2022-36316

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 103.0.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12227-1

  • firefox Alpine 3.23, Alpine 3.22, Alpine 3.21 +4 more 103.0-r0
  • librewolf Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 103.0-r0

alpine advisories ALPINE-CVE-2022-36316

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2022-36316 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Mozilla Firefox

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.