CVE-2020-26950 (GCVE-0-2020-26950)
Vulnerability from cvelistv5 – Published: 2020-12-09 00:19 – Updated: 2024-08-04 16:03
VLAI?
Summary
In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
Severity ?
No CVSS data available.
CWE
- Write side effects in MCallGetProperty opcode not accounted for
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1675905 | x_refsource_MISC |
| https://www.mozilla.org/security/advisories/mfsa2… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/166175/Firef… | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Affected:
< 82.0.3
|
|
| Mozilla | Firefox ESR |
Affected:
< 78.4.1
|
|
| Mozilla | Thunderbird |
Affected:
< 78.4.2
|
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- 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.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- 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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