Skip to content
Fencer Vulns
critical 9.8

CVE-2024-6602 json

Memory corruption in NSS

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47986

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

A mismatch between allocator and deallocator could have led to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

Patch / fix

  • Mozilla Firefox 128
  • Mozilla Firefox ESR 115.13
  • Mozilla Thunderbird 115.13, 128
  • mozilla firefox_esr 115.13
  • nss Debian 12 2:3.87.1-1+deb12u1
  • nss Debian 14, Debian 13 2:3.101-1
  • firefox-esr Debian 12 115.13.0esr-1~deb12u1
  • firefox-esr Debian 14, Debian 13 115.13.0esr-1
  • thunderbird Debian 12 1:115.13.0-1~deb12u1
  • thunderbird Debian 14, Debian 13 1:115.13.0-1

debian advisories DEBIAN-CVE-2024-6602

  • firefox Ubuntu 20.04 LTS 128.0+build2-0ubuntu0.20.04.1
  • thunderbird Ubuntu 20.04 LTS 1:115.13.0+build5-0ubuntu0.20.04.1
  • thunderbird Ubuntu 22.04 LTS 1:115.13.0+build5-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2024-6602

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • nss RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nspr RHEL 9.2 EUS, RHEL 9 4.35.0-14.el9_2
  • nss-util RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nss-tools RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nss-softokn RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nss-sysinit RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nss-softokn-freebl RHEL 9.2 EUS, RHEL 9 3.101.0-7.el9_2
  • nss RHEL 8.8 EUS, RHEL 8 3.101.0-7.el8_8

red hat advisories RHBA-2024:6679RHBA-2024:6680RHSA-2024:4894RHSA-2024:4718RHSA-2024:4717RHSA-2024:4670

  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Workstation Extension 15 SP5, SLE Module for Package Hub 15 SP6 +3 more 128.2.3-150200.8.177.1
  • MozillaFirefox SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 128.1.0-150200.152.146.1
  • MozillaFirefox-branding-SLE SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 128-150200.9.16.1
  • MozillaFirefox SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 128.1.0-112.221.1
  • MozillaFirefox-branding-SLE SLES for SAP 12 SP5, SLES 12 SP5 128-35.15.1
  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Workstation Extension 15 SP5, SLE Module for Package Hub 15 SP6 +3 more 115.13.0-150200.8.171.4
  • MozillaFirefox SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 115.13.0-150200.152.143.1
  • MozillaFirefox SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 115.13.0-112.218.1

suse advisories SUSE-SU-2024:3507-1SUSE-SU-2024:3003-1SUSE-SU-2024:2876-1SUSE-SU-2024:2790-1SUSE-SU-2024:2399-1SUSE-SU-2024:2371-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 128.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 115.13.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:14197-1openSUSE-SU-2024:14189-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-6602 updated cvss 6.1

Mozilla: Memory corruption in NSS

  • Red Hat Enterprise Linux 6 nss, firefox, nss-tools, nss-sysinit, thunderbird Red Hat Enterprise Linux 7 nss, firefox, nss-tools, nss-sysinit, thunderbird
    affected: workaround, no fix planned “Currently, no mitigation is available for this vulnerability.”
  • Red Hat Enterprise Linux AppStream (v. 8) nss 3.101.0-7.el8_8, nss-util 3.101.0-7.el8_8, nss-tools 3.101.0-7.el8_8, nss-softokn 3.101.0-7.el8_8, nss-sysinit 3.101.0-7.el8_8, nss-softokn-freebl 3.101.0-7.el8_8
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHBA-2024:6680
  • Red Hat Enterprise Linux AppStream (v. 9) nss 3.101.0-7.el9_2, nspr 4.35.0-14.el9_2, nss-util 3.101.0-7.el9_2, nss-tools 3.101.0-7.el9_2, nss-softokn 3.101.0-7.el9_2, nss-sysinit 3.101.0-7.el9_2, +1 more
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHBA-2024:6679
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox 128.2.0-1.el8_2, thunderbird 115.13.0-3.el8_2
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:6839
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird 115.13.0-3.el8_4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4671
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird 115.13.0-3.el8_6
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4894
  • Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird 115.13.0-3.el8_4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4671
  • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird 115.13.0-3.el8_6
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4894
show 7 more
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird 115.13.0-3.el9_0
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4625
  • Red Hat Enterprise Linux AppStream EUS (v.8.8) nss 3.101.0-7.el8_8, nss-util 3.101.0-7.el8_8, nss-tools 3.101.0-7.el8_8, nss-softokn 3.101.0-7.el8_8, nss-sysinit 3.101.0-7.el8_8, thunderbird 115.13.0-3.el8_8, +1 more
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHBA-2024:6680
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) nss 3.101.0-7.el9_2, nspr 4.35.0-14.el9_2, nss-util 3.101.0-7.el9_2, nss-tools 3.101.0-7.el9_2, nss-softokn 3.101.0-7.el9_2, nss-sysinit 3.101.0-7.el9_2, +2 more
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHBA-2024:6679
  • Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird 115.13.0-3.el8_4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4671
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird 115.13.0-3.el8_6
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2024:4894
  • Red Hat OpenShift AI 8 rhoai/odh-rhel8-operator v2.13.1-2, rhoai/odh-dashboard-rhel8 v2.13.1-1, rhoai/odh-modelmesh-rhel8 v2.13.1-1, rhoai/odh-operator-bundle v2.13.1-2, rhoai/odh-rhel8-operator v2.14.0-24, rhoai/odh-dashboard-rhel8 v2.14.0-11, +56 more
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHBA-2024:8413
  • Red Hat Enterprise Linux 8 firefox, thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird
  • mozilla firefox_esr

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.