CVE-2023-4577 (GCVE-0-2023-4577)

Vulnerability from cvelistv5 – Published: 2023-09-11 08:01 – Updated: 2024-09-19 20:02
VLAI?
Summary
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 < 115.2.
Severity ?
No CVSS data available.
CWE
  • Memory corruption in JIT UpdateRegExpStatics
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 117 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 115.2 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 115.2 (custom)
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Credits
Lukas Bernhard
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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