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CVE-2025-2784

Libsoup: heap buffer over-read in `skip_insignificant_space` when sniffing content

Published: Apr 3, 2025Updated: Nov 18, 2025 Sources: CVE List NVD BDUCWE-125
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.6%
Top 55.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
ROSA VirtualizationАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
red hat inc.commercialUSOperating Systemsaka red hat
ао «нтц ит роса»commercialRUOperating Systems
and 41 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://gitlab.gnome.org/GNOME/libsoup/-/issues/422
gitlab.gnome.org
https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-libsoup/?sphrase_id=969646
redos.red-soft.ru
https://security-tracker.debian.org/tracker/CVE-2025-2784
security-tracker.debian.org
and 24 more references View all →

Timeline

Published
Apr 3, 2025
Last Updated
Nov 18, 2025

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