7.8

CVE-2017-11696: mozilla network_security_services

CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2017-11696DEBIAN-CVE-2017-11696
Published 27-12-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-11696 is a high (CVSS 7.8) vulnerability in mozilla network_security_services. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.3% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.73%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 27-12-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in the __hash_open function in lib/dbm/src/hash.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

-0.01 pp

From 0.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (geeknik.net)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (seclists.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nssAll versions (No fix recorded)
Mozilla1 product
Ubuntu1 product
  • nssAll versions (No fix recorded)

3 vendors · 3 products

References

9 links