7.5

CVE-2025-32049: libsoup2.4

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2025-32049DEBIAN-CVE-2025-32049
Published 03-04-2025Last modified 30-06-2026
Open JSON

Vulnerability summary

CVE-2025-32049 is a high (CVSS 7.5) vulnerability in libsoup2.4. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.87%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 27 · Related 14
MGASA-2025-0261OPENSUSE-SU-2026:10208-1OPENSUSE-SU-2026:10209-1OPENSUSE-SU-2026:20354-1OPENSUSE-SU-2026:20384-1RHSA-2025:21657

Timeline

  1. 03-04-2025
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.01 pp

From 0.86% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.87%

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

Debian2 products
  • libsoup2.4All versions (No fix recorded)
  • libsoup3All versions (No fix recorded) | < 3.8.0-1
Ubuntu2 products
  • libsoup2.4All versions (No fix recorded)
  • libsoup3All versions (No fix recorded)

2 vendors · 4 products

References

20 links
Show all 20 references