CVE-2018-6346
CVE-2018-6346 is a high-severity vulnerability in Proxygen Project Proxygen with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-388.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-388
- Affected product: Proxygen Project Proxygen
- Published:
- Last modified:
Description
A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00.
Frequently asked questions
- What is CVE-2018-6346?
- A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00.
- How severe is CVE-2018-6346?
- CVE-2018-6346 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-6346 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6346?
- CVE-2018-6346 affects Proxygen Project Proxygen. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-6346?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-6346 published?
- CVE-2018-6346 was published on 2018-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:proxygen_project:proxygen:*:*:*:*:*:*:*:*
More vulnerabilities in Proxygen Project Proxygen
- CVE-2015-7264 — Critical (CVSS 9.8): The SPDY/2 codec in Facebook Proxygen before 2015-11-09 truncates a certain field to two bytes, which allows hijacking…
- CVE-2018-6347 — High (CVSS 7.5): An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This…
- CVE-2015-7265 — High (CVSS 7.5): Facebook Proxygen before 2015-11-09 mismanages HTTPMessage.request state, which allows remote attackers to conduct…
- CVE-2015-7263 — High (CVSS 7.5): The SPDY/2 codec in Facebook Proxygen before 2015-11-09 allows remote attackers to conduct hijacking attacks and bypass…
All CVEs affecting Proxygen Project Proxygen →
Other CWE-388 vulnerabilities
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- CVE-2017-5401 — Critical (CVSS 9.8): A crash triggerable by web content in which an "ErrorResult" references unassigned memory due to a logic error. The…
- CVE-2016-10466 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear MDM9206,…
- CVE-2016-10414 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Small Cell SoC, Snapdragon Automobile,…
- CVE-2015-9120 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile, Snapdragon Mobile, and…
- CVE-2014-9985 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9635M, SD 400, and SD…