9.8

CVE-2017-5461: mozilla firefox Out-of-bounds Write

CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2017-5461RHSA-2017:1100RHSA-2017:1101
Published 11-05-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-5461 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in mozilla firefox. EPSS estimates a 4.70% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
4.70%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 11

Timeline

  1. 11-05-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by leveraging incorrect base64 operations.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

4.70%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

-0.04 pp

From 4.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat9 products
  • nss< 0:3.28.4-1.el6_9 | < 0:3.28.4-1.0.el7_3 | < 0:3.21.4-1.el5_11 | < 0:3.14.3-11.el5_9
  • nss-debuginfo< 0:3.28.4-1.el6_9 | < 0:3.28.4-1.0.el7_3 | < 0:3.21.4-1.el5_11 | < 0:3.14.3-11.el5_9
  • nss-devel< 0:3.28.4-1.el6_9 | < 0:3.28.4-1.0.el7_3 | < 0:3.21.4-1.el5_11 | < 0:3.14.3-11.el5_9
  • nss-pkcs11-devel< 0:3.28.4-1.el6_9 | < 0:3.28.4-1.0.el7_3 | < 0:3.21.4-1.el5_11 | < 0:3.14.3-11.el5_9
  • nss-sysinit< 0:3.28.4-1.el6_9 | < 0:3.28.4-1.0.el7_3
Mozilla4 products
Ubuntu3 products
  • firefox< 53.0+build6-0ubuntu0.14.04.1 | < 53.0+build6-0ubuntu0.16.04.1
  • nss< 2:3.28.4-0ubuntu0.14.04.1 | < 2:3.28.4-0ubuntu0.16.04.1
  • thunderbird< 1:52.1.1+build1-0ubuntu0.14.04.1 | < 1:52.1.1+build1-0ubuntu0.16.04.1
Debian2 products
  • firefox-esr< 45.9.0esr-1
  • nss< 2:3.26.2-1.1
Alpine1 product
  • nss< 3.23-r1

5 vendors · 19 products

References

37 links
Show all 37 references