Signal is active with 8 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the application attempting to access memory that has already been freed, potentially causing application instability or crashes, resulting in a Denial of Service (DoS).
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
6 versions affected across 2 products
CVE-2026-4271 A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote a… https://www.cve.org/CVERecord?id=CVE-2026-4271
Post summary
CVE‑2026‑4271 is a use‑after‑free flaw in libsoup’s HTTP/2 server implementation, with technical details disclosed but no PoC, exploit, or patch information available.
⚡ New CVE Alert: CVE-2026-4271 📊 Severity: 5.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-4271 #CVE-2026-4271 #CVE #Medium #CyberSecurity #InfoSec https://t.co/eI7suBw1f3
Post summary
A new CVE (CVE-2026-4271) is announced with medium severity and risk, affecting unspecified products, but lacks detailed technical information, exploit details, or patch guidance.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4271 - Libsoup: libsoup: denial of service via use-after-free in http/2 server Intel Report: https://ift.tt/XYoQTuU
Post summary
The bulletin reports a use‑after‑free denial‑of‑service vulnerability in Libsoup’s HTTP/2 server (CVE‑2026‑4271) but offers no proof‑of‑concept, exploit code, active use evidence, or patch details.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4271 - Libsoup: libsoup: denial of service via use-after-free in http/2 server Intel Report: https://ift.tt/CvHbO46
Post summary
An alert is issued for CVE‑2026‑4271, a denial‑of‑service use‑after‑free flaw in Libsoup’s HTTP/2 server, with a link to an Intel report for further details.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4271 - Libsoup: libsoup: denial of service via use-after-free in http/2 server Intel Report: https://ift.tt/fLC7Q05
Post summary
The alert announces CVE‑2026‑4271, a use‑after‑free denial‑of‑service bug in libsoup’s HTTP/2 server, and provides a link to an Intel report for more details.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4271 - Libsoup: libsoup: denial of service via use-after-free in http/2 server Intel Report: https://ift.tt/u6PZ7eo
Post summary
The alert announces CVE-2026-4271, describing a use‑after‑free denial‑of‑service flaw in Libsoup’s HTTP/2 server without any mention of exploitation, PoC, or patch.
CVE-2026-4271 Use-After-Free Vulnerability in libsoup HTTP/2 Server Enab... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4271 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
A tweet alerts about CVE-2026-4271, identifying it as a Use-After-Free flaw in libsoup HTTP/2, but offers no PoC, exploit, active usage, or patch details.
🚨 CVE-2026-4271: Remote use-after-free in libsoup’s HTTP/2 server lets anyone crash apps relying on it, knocking services offline. Update libsoup to the latest release or apply vendor patches. Full advisory ➡️ https://volerion.com/vulnerabilities/CVE-2026-4271 #infosec #Linux #GNOME
Post summary
The tweet announces CVE-2026-4271, a remote use‑after‑free vulnerability in libsoup’s HTTP/2 server that can crash services, and urges users to update the library or apply vendor patches.
6 of 6 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | gnome | libsoup | - | - | - |
| OS | redhat | enterprise_linux | 10.0 | - | - |
| OS | redhat | enterprise_linux | 6.0 | - | - |
| OS | redhat | enterprise_linux | 7.0 | - | - |
| OS | redhat | enterprise_linux | 8.0 | - | - |
| OS | redhat | enterprise_linux | 9.0 | - | - |