7.5

CVE-2023-4055: debian debian_linux Classic Buffer Overflow

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-4055DEBIAN-CVE-2023-4055CGA-2h6m-qfm6-q428
Published 01-08-2023Last modified 13-02-2025

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.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 30 · Related 10

Timeline

  1. 01-08-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last 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

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

19-09-202619-10-2026
EPSS score
0.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

References

16 links
Show all 16 references