GNOME libsoup Multipart HTTP Response stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in GNOME libsoup. This affects an unknown part of the component Multipart HTTP Response Handler. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2026-1761. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNOME libsoup (affected version not known). Affected by this issue is some unknown functionality of the component Multipart HTTP Response Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction.

The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2026-1761 since 02/02/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/17/2026).

The vulnerability scanner Nessus provides a plugin with the ID 297988 (RHEL 9 : libsoup (RHSA-2026:2007)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (297988), EUVD (EUVD-2026-5104) and CERT Bund (WID-SEC-2026-0305). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • IBM App Connect Enterprise

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (redhat): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 297988
Nessus Name: RHEL 9 : libsoup (RHSA-2026:2007)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/02/2026 Advisory disclosed
02/02/2026 +0 days CVE reserved
02/02/2026 +0 days VulDB entry created
02/17/2026 +15 days VulDB entry last update

Sourcesinfo

Vendor: gnome.org

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2026-1761 (🔒)
GCVE (CVE): GCVE-0-2026-1761
GCVE (VulDB): GCVE-100-343730
EUVD: 🔒
CERT Bund: WID-SEC-2026-0305 - Red Hat Enterprise Linux (libsoup): Mehrere Schwachstellen

Entryinfo

Created: 02/02/2026 15:21
Updated: 02/17/2026 23:33
Changes: 02/02/2026 15:21 (61), 02/03/2026 08:26 (1), 02/05/2026 11:04 (2), 02/05/2026 11:12 (7), 02/10/2026 14:53 (1), 02/17/2026 23:33 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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