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CVE-2026-55869 is an improper input validation vulnerability in SRT, a latency-aware UDP streaming library. SRT does not properly validate certain control packets received during connection setup and key-refresh operations. A remote attacker can send crafted control packets that cause the SRT process to crash.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-reachable vulnerability addressed by Ubuntu USN-8764-1 in the SRT/libsrt packages. The listed CVSS v3 vector is CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H; the content does not further describe the technical flaw.
A vulnerability in the SRT latency-aware UDP streaming library addressed by Debian DSA-6450; the advisory states the issues could result in denial of service or encryption bypass. This CVE is also the source for the listed CVSS scoring in the notice.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.