CVE-2021-29946

EPSS 1.2%

Vexday Risk Score

3Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS —EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

24 jun 2021Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Productos afectados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1698503 https://www.mozilla.org/security/advisories/mfsa2021-14/https://www.mozilla.org/security/advisories/mfsa2021-15/https://www.mozilla.org/security/advisories/mfsa2021-16/