Cyber Resilience

CVE-2023-4577

Mozilla Firefox ≤ 117.0

Published
11 September 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0064 48th percentile
Risk Priority 51 floored blend · peak EPSS

Summary

CVE-2023-4577 is a medium-severity an unspecified weakness vulnerability in Mozilla Firefox. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 48th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird <…

more

115.2.

CWE(s)
NVD-CWE-noinfo

Related Threats

CVEs Like This One

CVE-2023-28164Same product: Mozilla Firefox
CVE-2023-32211Same product: Mozilla Firefox
CVE-2023-32212Same product: Mozilla Firefox
CVE-2023-25752Same product: Mozilla Firefox
CVE-2023-29545Same product: Mozilla Firefox
CVE-2023-25742Same product: Mozilla Firefox
CVE-2023-32215Same product: Mozilla Firefox
CVE-2023-4573Same product: Mozilla Firefox
CVE-2023-32205Same product: Mozilla Firefox
CVE-2024-5691Same product: Mozilla Firefox

Affected Assets

mozilla
firefox
≤ 117.0
mozilla
firefox esr
≤ 115.2
mozilla
thunderbird
≤ 115.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References