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CVE-2019-11693

N/A
Published: July 23, 2019 at 01:22 PM UTC
Updated: June 17, 2026 at 02:13 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR· also runs on 1 platform

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Severity
N/A
Exploit prediction
EPSS 2%

Description

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. *Note: this issue only occurs on Linux. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 60.7.0v < 67v < 67.0
Affected range stops below 67, so it looks safe — our inference, not a vendor statement
Affected range stops below 67.0, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment)
Thunderbird· Mozilla
95%
v < 60.7v < 60.7.0
Affected range stops below 60.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 60.7.0, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment)
Firefox ESR· Mozilla
60%
v < 60.7
Affected range stops below 60.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 60.7.0, so it looks safe — our inference, not a vendor statement

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (4)

x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1532525
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2019-13/
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2019-14/
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2019-15/

CVSS

7.5HIGH[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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