CVE-2023-6856 (GCVE-0-2023-6856)

Vulnerability from cvelistv5 – Published: 2023-12-19 13:38 – Updated: 2025-02-13 17:26
VLAI
Summary
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Severity
No CVSS data available.
CWE
  • Heap-buffer-overflow affecting WebGL DrawElementsInstanced method with Mesa VM driver
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox ESR Affected: unspecified , < 115.6 (custom)
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Mozilla Thunderbird Affected: unspecified , < 115.6 (custom)
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Mozilla Firefox Affected: unspecified , < 121 (custom)
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Credits
DoHyun Lee
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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 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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