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Fencer Vulns
critical 9.8

CVE-2024-9680 kev+ ransomware in the critical feed json

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines.

published 2024-10-09 2 y ago modified 2026-08-04 3 mo ago also EUVD-2024-50087

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2024-10-15, used in ransomware
epss
23.2%
EPSS 23.2% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • Mozilla Firefox 131.0.2
  • Mozilla Firefox ESR 115.16.1, 128.3.1
  • Mozilla Thunderbird 115.16.0, 128.3.1, 131.0.1
  • mozilla firefox_esr 115.16.1, 128.3.1
  • firefox-esr Debian 12 128.3.1esr-1~deb12u1
  • firefox-esr Debian 14, Debian 13 128.3.1esr-1
  • thunderbird Debian 12 1:115.16.0esr-1~deb12u1
  • thunderbird Debian 14, Debian 13 1:128.3.2esr-1

debian advisories DEBIAN-CVE-2024-9680

  • firefox Ubuntu 20.04 LTS 131.0.2+build1-0ubuntu0.20.04.1
  • thunderbird Ubuntu 20.04 LTS 1:115.16.0+build2-0ubuntu0.20.04.1
  • thunderbird Ubuntu 22.04 LTS 1:115.16.0+build2-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2024-9680

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

  • firefox RHEL 9 128.4.0-1.el9_5
  • firefox-x11 RHEL 9 128.4.0-1.el9_5
  • thunderbird RHEL 9 128.4.0-1.el9_5
  • thunderbird RHEL 8 128.3.1-1.el8_10
  • thunderbird RHEL 9 128.3.1-1.el9_4
  • firefox RHEL 8 128.3.1-2.el8_10
  • firefox RHEL 9 128.3.1-2.el9_4
  • firefox-x11 RHEL 9 128.3.1-2.el9_4

red hat advisories RHSA-2024:9554RHSA-2024:9552RHSA-2024:8166RHSA-2024:8167RHSA-2024:8176RHSA-2024:8131

  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Workstation Extension 15 SP5, SLE Module for Package Hub 15 SP6 +3 more 128.3.1-150200.8.185.1
  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Workstation Extension 15 SP5, SLE Module for Package Hub 15 SP6 +3 more 128.3.0-150200.8.182.1
  • MozillaFirefox SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 128.3.1-150200.152.155.1
  • MozillaFirefox SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 128.3.1-112.231.1

suse advisories SUSE-SU-2024:3731-1SUSE-SU-2024:3629-1SUSE-SU-2024:3614-1SUSE-SU-2024:3603-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • mozjs128 openSUSE Tumbleweed 128.3.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 131.0.2-1.1
  • MozillaThunderbird openSUSE Tumbleweed 128.3.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:14397-1openSUSE-SU-2024:14393-1openSUSE-SU-2024:14394-1

  • thunderbird AlmaLinux 9 128.4.0-1.el9_5.alma.1
  • firefox AlmaLinux 9 128.4.0-1.el9_5
  • firefox-x11 AlmaLinux 9 128.4.0-1.el9_5
  • thunderbird AlmaLinux 8 128.3.1-1.el8_10.alma.1
  • thunderbird AlmaLinux 9 128.3.1-1.el9_4.alma.1
  • firefox AlmaLinux 9 128.3.1-2.el9_4.alma.1
  • firefox-x11 AlmaLinux 9 128.3.1-2.el9_4.alma.1
  • firefox AlmaLinux 8 128.3.1-2.el8_10.alma.1

almalinux advisories ALSA-2024:9552ALSA-2024:9554ALSA-2024:8024ALSA-2024:8025ALSA-2024:7958ALSA-2024:7977

  • firefox Rocky Linux 9 128.3.1-2.el9_4
  • thunderbird Rocky Linux 9 128.3.1-1.el9_4
  • firefox Rocky Linux 8 128.3.1-2.el8_10
  • thunderbird Rocky Linux 8 128.3.1-1.el8_10

rocky linux advisories RLSA-2024:7958RLSA-2024:8025RLSA-2024:7977RLSA-2024:8024

  • mozjs Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 128.3.1-r0

alpine advisories ALPINE-CVE-2024-9680

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2024-9680 updated cvss 9.8

firefox: Use-after-free in Animation timeline (128.3.1 ESR Chemspill)

  • Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 thunderbird
    affected: workaround, no fix planned “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.”
  • Red Hat Enterprise Linux AppStream (v. 8) firefox 128.3.1-2.el8_10, thunderbird 128.3.1-1.el8_10
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7977
  • Red Hat Enterprise Linux AppStream (v. 9) firefox 128.3.1-2.el9_4, firefox 128.4.0-1.el9_5, firefox-x11 128.3.1-2.el9_4, firefox-x11 128.4.0-1.el9_5, thunderbird 128.3.1-1.el9_4, thunderbird 128.4.0-1.el9_5, +2 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7958
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox 128.3.1-2.el8_2, thunderbird 128.3.1-1.el8_2
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8176
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox 128.3.1-2.el8_4, thunderbird 128.3.1-1.el8_4
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8167
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox 128.3.1-2.el8_6, thunderbird 128.3.1-1.el8_6
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8131
  • Red Hat Enterprise Linux AppStream E4S (v.8.4) firefox 128.3.1-2.el8_4, thunderbird 128.3.1-1.el8_4
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8167
  • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox 128.3.1-2.el8_6, thunderbird 128.3.1-1.el8_6
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8131
show 7 more
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox 128.3.1-2.el9_0, thunderbird 128.3.1-1.el9_0
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8032
  • Red Hat Enterprise Linux AppStream EUS (v.8.8) firefox 128.3.1-2.el8_8, thunderbird 128.3.1-1.el8_8
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8033
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) firefox 128.3.1-2.el9_2, firefox-x11 128.3.1-2.el9_2, thunderbird 128.3.1-1.el9_2
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8031
  • Red Hat Enterprise Linux AppStream TUS (v.8.4) firefox 128.3.1-2.el8_4, thunderbird 128.3.1-1.el8_4
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8167
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox 128.3.1-2.el8_6, thunderbird 128.3.1-1.el8_6
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8131
  • Red Hat Enterprise Linux Server (v. 7 ELS) firefox 128.3.1-2.el7_9
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:8034
  • Red Hat Enterprise Linux 10 firefox, 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

Timeline

  1. 0-day patched (Project Zero)
  2. CISA SSVC: exploitation active
  3. Published
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
2 y ago
Patch by
2024-11-05 (2 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Mozilla, Firefox
CISA name
Mozilla Firefox Use-After-Free Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched
2024-10-09
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

23.18% chance of exploitation in the next 30 days, higher than 97% 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
NVD 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

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.