CVE-2025-32051: libsoup3
CVSS: 5.9v3.1MediumDeferred
AliasesUBUNTU-CVE-2025-32051DEBIAN-CVE-2025-32051
Published 03-04-2025Last modified 30-06-2026
Vulnerability summary
CVE-2025-32051 is a medium (CVSS 5.9) vulnerability in libsoup3. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.56%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 03-04-2025PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
Description
A flaw was found in libsoup. The libsoup soup_uri_decode_data_uri() function may crash when processing malformed data URI. This flaw allows an attacker to cause a denial of service (DoS).
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
+0.01 pp
From 0.55% on 20-09-2026
20-09-202620-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- libsoup3< 3.2.3-0+deb12u1 | < 3.6.1-1
Ubuntu1 product
- libsoup3< 3.0.7-0ubuntu1+esm2 | < 3.4.4-5ubuntu0.2
2 vendors · 2 products
