A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some…

Description

A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Scores

EPSS (exploitation in 30 days)

1.4% · top 28% of all CVEs (7 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• Stack buffer overflow in WebRTC networking
• CWE-787 (opens in a new tab)All about CWE-787 and its CVEs

Affected products

• Mozilla · Firefox

  • affected before 70

• Mozilla · Thunderbird

  • affected before 68.2

• Mozilla · Firefox ESR

  • affected before 68.2

References (6)

• https://www.mozilla.org/security/advisories/mfsa2019-35/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.mozilla.org/security/advisories/mfsa2019-33/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.mozilla.org/security/advisories/mfsa2019-34/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1577719 (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-202003-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• USN-4335-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-11760](https://trackcve.app/badge/CVE-2019-11760.svg)](https://trackcve.app/cve/CVE-2019-11760)

Record last updated 4 Aug 2024, 23:03 UTC.