Resource allocation without limits in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-770.
Summary
A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox < 51.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 51
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Mozilla Firefox 51
14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2017-03420 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
- TI-2017-03419 Special "about:" pages used by web content, such as RSS feeds, can load privileged…Priority MEDIUM 46
- TI-2017-03402 Memory corruption in Mozilla FirefoxPriority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5388
- 2026-10-03 Alias added: GHSA-hvw3-mf8r-hgvr
References
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2017-5388 · CVE Program
- CVE-2017-5388 · NVD
- FIRST EPSS
- GHSA-hvw3-mf8r-hgvr · GitHub Advisory Database · CC BY 4.0
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