A flaw was found in libsoup, where the soup_headers_parse_request() function may be vulnerable to an out-of-bound read. This vulnerability allows a malicious user to use a specially crafted HTTP request to crash the HTTP server.
The severity of this vulnerability is classified as high, with a CVSS score of 7.5. Given its potential to disrupt service, organizations must take this threat seriously.
Risk to organizations includes service disruption, which can lead to significant operational impacts. The vulnerability has been marked as awaiting analysis, and while no known exploits have been reported, the exploitability is considered high.
Organizations should prioritize patching immediately. This will mitigate risks associated with potential exploitation by malicious actors.
Vulnerability Details
The specific vulnerability in libsoup relates to the soup_headers_parse_request() function, which may lead to an out-of-bound read.
With a CVSS score of 7.5, the high severity indicates that this flaw poses a significant risk to systems utilizing libsoup.
This vulnerability affects all versions of libsoup prior to the vendor patch. The vulnerability has been published on April 14, 2025.
CWE classification for this vulnerability is CWE-125, indicating an out-of-bounds read issue.
Technical Analysis
The root cause of this vulnerability is an out-of-bound read that may occur during the processing of HTTP requests.
The attack vector is network-based, meaning a malicious actor can execute an exploit remotely without direct access to the affected system.
The complexity of the attack is low, with no privileges required, and user interaction is not necessary.
The impact on availability is high, as successful exploitation can lead to service crashes.
Risk & Impact Analysis
Organizations utilizing libsoup should be aware of the potential for service disruption resulting from this vulnerability. The risk is heightened in environments where libsoup is employed to handle HTTP requests.
The urgency for remediation is classified as high, given the potential impact on operations and the ease of exploitation.
Organizations should address this vulnerability in their priority patch cycle to mitigate any operational risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch are affected by this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching to the latest version of libsoup where the vulnerability is addressed. If a patch is not available, consider implementing workarounds such as restricting access to the HTTP server.
Configuration hardening is also recommended to mitigate risks associated with this vulnerability.
Monitoring for unusual HTTP request patterns can help detect potential exploitation attempts.
Detection Guidance
Monitor logs for any unusual HTTP requests that may indicate attempts to exploit this vulnerability.
Behavioral anomalies in server response times may also be indicative of exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its demonstration of potential weaknesses in libraries handling HTTP requests.
This incident reflects a need for security teams to actively monitor and patch libraries used in their applications.
Organizations should enhance their security posture by conducting regular vulnerability assessments and adhering to best practices in software development.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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