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VulnerabilityPublished Updated

CVE-2025-32049: Libsoup2.4 · A flaw was found in libsoup

Affects libsoup2.4Source GCVE Database

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Authoritative record:CVE-2025-32049· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 3 Nov 2026, 23:13 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.17.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Apr 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10libsoup2.4pkg:deb/ubuntu/libsoup2.4?arch=source&distro=stonkingOther threatsAffected
  • =2.74.3-10.1ubuntu5
Fixed in–
Ubuntu 26.10libsoup3pkg:deb/ubuntu/libsoup3?arch=source&distro=stonkingOther threatsAffected
  • =3.6.6-1
  • =3.6.6-1ubuntu3
  • =3.6.6-1ubuntu3.1
Fixed in–
Ubuntu 26.04 LTSlibsoup3pkg:deb/ubuntu/libsoup3?arch=source&distro=resoluteOther threatsAffected
  • 3.6.5-4 – 3.6.6-1ubuntu0.2
8 affected builds
Fixed in–
Ubuntu Pro 26.04 LTSlibsoup2.4pkg:deb/ubuntu/libsoup2.4?arch=source&distro=esm-apps/resoluteOther threatsAffected
  • 2.74.3-10.1ubuntu4 – 2.74.3-10.1ubuntu5+esm4
6 affected builds
Fixed in–
Ubuntu 25.10libsoup2.4pkg:deb/ubuntu/libsoup2.4?arch=source&distro=questingOther threatsAffected
  • 2.74.3-10 – 2.74.3-10.1ubuntu4.1
7 affected builds
Fixed in–
Ubuntu 25.10libsoup3pkg:deb/ubuntu/libsoup3?arch=source&distro=questingOther threatsAffected
  • 3.6.5-1 – 3.6.5-4ubuntu0.2
6 affected builds
Fixed in–

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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).

References

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