CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
43.3%
When resolving a symlink, a race may occur where the buffer passed to readlink
may actually be smaller than necessary.
This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Vendor | Product | Version | CPE |
---|---|---|---|
mozilla | firefox | * | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
mozilla | firefox_esr | * | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* |
mozilla | thunderbird | * | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
apple | macos | - | cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
android | - | cpe:2.3:o:google:android:-:*:*:*:*:*:*:* | |
linux | linux_kernel | - | cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |
[
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "121",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1796023
lists.debian.org/debian-lts-announce/2023/12/msg00020.html
lists.debian.org/debian-lts-announce/2023/12/msg00021.html
security.gentoo.org/glsa/202401-10
www.debian.org/security/2023/dsa-5581
www.debian.org/security/2023/dsa-5582
www.mozilla.org/security/advisories/mfsa2023-54/
www.mozilla.org/security/advisories/mfsa2023-55/
www.mozilla.org/security/advisories/mfsa2023-56/
More
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
43.3%