CVE-2026-51105: aMULE-Project aMule v.2.3.3 · Buffer Overflow Vulnerability
Affects amuleSource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10amulepkg:deb/ubuntu/amule?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSamulepkg:deb/ubuntu/amule?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSamulepkg:deb/ubuntu/amule?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 22.04 LTSamulepkg:deb/ubuntu/amule?arch=source&distro=jammyOther threats | Affected
| Fixed in– |
Ubuntu 18.04 LTSamulepkg:deb/ubuntu/amule?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu 16.04 LTSamulepkg:deb/ubuntu/amule?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is available, consider restricting access to the OP_SERVERMESSAGE Handler or monitoring for anomalous traffic targeting this vector.
Description
CVE-2026-51105 is a buffer overflow vulnerability in aMULE-Project aMule version 2.3.3 and related builds. It allows a remote attacker to cause a denial of service via the OP_SERVERMESSAGE Handler. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS score is 7.5, indicating medium severity.