CVE-2023-4055: debian debian_linux Classic Buffer Overflow
Vulnerability summary
CVE-2023-4055 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 30 · Related 10Timeline
- 01-08-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.73% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Debian3 products
- firefox-esr< 102.14.0esr-1~deb12u1 | < 115.1.0esr-1
- thunderbird< 1:102.14.0-1~deb12u1 | < 1:115.1.0-1
- debian_linuxEOL11.0 | 12.0
Mozilla2 products
- firefox≥ unspecified, < 116 | < 116.0 | ≥ 102.0, < 102.14 | ≥ 115.0, < 115.1
- firefox_esr≥ unspecified, < 102.14 | ≥ unspecified, < 115.1
Chainguard1 product
- firefox-esr< 116.0-r0
4 vendors · 13 products