CVE-2019-11729

Advisory lineage Upstream: 0 Downstream: 33
Modified
Published: 23 Jul 2019, 13:16
Last modified:04 Aug 2024, 23:03

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
0.6% LOW
1% probability -0.08%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jul 2019, 13:16
Published
Vulnerability first disclosed
04 Aug 2024, 23:03
Last Modified
Vulnerability information updated

Description

Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.60%• Percentile: 70%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • mozilla•firefox

    < 60.8.0 | < 68.0 | ≥ unspecified, < 68

  • mozilla•firefox_esr

    ≥ unspecified, < 60.8

  • mozilla•thunderbird

    < 60.8.0 | ≥ unspecified, < 60.8

References (14)