PT-2026-7987 · Gnome · Libsoup

Bzimport · Published 2025-12-04 · Updated 2026-03-20 · CVE-2026-2443

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions libsoup (affected versions not specified)

Description A flaw exists in libsoup, an HTTP library used in GNOME-based systems. Improper validation of HTTP Range headers when processing specially crafted requests can lead to out-of-bounds read access to server memory in certain configurations. Exploitation requires a vulnerable configuration and access to a server utilizing the embedded SoupServer component. The vulnerable function is handle partial get().

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

AZL-77889

AZL-77894

BDU:2026-04953

CVE-2026-2443

OESA-2026-1684

OPENSUSE-SU-2026:10208-1

OPENSUSE-SU-2026:10209-1

OPENSUSE-SU-2026:20354-1

OPENSUSE-SU-2026:20384-1

SUSE-SU-2026:0657-1

SUSE-SU-2026:0658-1

SUSE-SU-2026:0689-1

SUSE-SU-2026:0690-1

SUSE-SU-2026:0703-1

SUSE-SU-2026:0834-1

SUSE-SU-2026:20529-1

SUSE-SU-2026:20649-1

SUSE-SU-2026:20752-1

SUSE-SU-2026:20902-1

Affected Products

Libsoup

References · 72

• https://osv.dev/vulnerability/AZL-77894 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20902-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-2443 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-1684 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20354-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2443 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0690-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2439671 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-2443 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0834-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10209-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20384-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-2443 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-2443 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0657-1 · Vendor Advisory