CVE-2023-6204 (GCVE-0-2023-6204)

Vulnerability from cvelistv5 – Published: 2023-11-21 14:28 – Updated: 2025-02-13 17:26
VLAI?
Summary
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Severity ?
No CVSS data available.
CWE
  • Out-of-bound memory access in WebGL2 blitFramebuffer
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 120 (custom)
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Mozilla Firefox ESR Affected: unspecified , < 115.5.0 (custom)
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Mozilla Thunderbird Affected: unspecified , < 115.5 (custom)
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Credits
JSec of Hayyim Security
Show details on NVD website
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}


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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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