Vulnerability · Published Nov 26, 2024 · Assigned by mozilla

CVE-2024-11704

Critical 9.8

In plain English

A critical-severity double free in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.9%top 39.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12firefox-esr128.7.0esr-1~deb12u1DEBIAN-CVE-2024-11704
Debian:12firefox-esr128.7.0esr-1~deb12u1DSA-5858-1
Debian:13firefox-esr128.7.0esr-1DEBIAN-CVE-2024-11704
Debian:14firefox-esr128.7.0esr-1DEBIAN-CVE-2024-11704
Debian:12thunderbird1:128.7.0esr-1~deb12u1DSA-5861-1
Debian:12thunderbird1:128.7.0esr-1~deb12u1DEBIAN-CVE-2024-11704
Debian:13thunderbird1:128.7.0esr-1DEBIAN-CVE-2024-11704
Debian:14thunderbird1:128.7.0esr-1DEBIAN-CVE-2024-11704
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-11704
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-11704
Ubuntu:24.04:LTSmozjs115no fix listedUBUNTU-CVE-2024-11704
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2024-11704
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2024-11704

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 133
Mozilla Thunderbird unspecified – before 133
Mozilla Firefox ESR unspecified – before 128.7
Mozilla Thunderbird unspecified – before 128.7

Weakness: CWE-415 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References