USN-8523-1: libsoup2.4 Ubuntu

CVSS: UnknownPublished
Published 09-07-2026Last modified 10-07-2026
Open JSON

Vulnerability summary

USN-8523-1 is a vulnerability in libsoup2.4 Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2
CVE-2026-2369CVE-2026-5119

Timeline

  1. 09-07-2026
    PublishedVulnerability first disclosed.
  2. 10-07-2026
    Last modifiedVulnerability information updated.

Description

libsoup2.4 vulnerabilities Eric Su and Samuel Dainard discovered that libsoup incorrectly handled content with zero-length resources. An attacker could possibly use this issue to trigger a buffer over-read, resulting in information disclosure or a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-2369) Kona Arctic discovered that libsoup did not properly protect sensitive cookies when establishing HTTPS tunnels through an HTTP proxy. An attacker could possibly use this issue to intercept session cookies, resulting in session hijacking or user impersonation. (CVE-2026-5119)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

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

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • libsoup2.4< 2.52.2-1ubuntu0.3+esm6 | < 2.62.1-1ubuntu0.4+esm7 | < 2.70.0-1ubuntu0.5+esm2 | < 2.74.2-3ubuntu0.7 | < 2.74.3-6ubuntu1.7 | < 2.74.3-10.1ubuntu4.1 | < 2.74.3-10.1ubuntu5+esm1

1 vendor · 1 product

References

3 links