Erlang is a programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability. OTP is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang. Packet size is not verified properly for SFTP packets. As a result when multiple SSH packets (conforming to max SSH packet size) are received by ssh, they might be combined into an SFTP packet which will exceed the max allowed packet size and potentially cause large amount of memory to be allocated. Note that situation described above can only happen for successfully authenticated users after completing the SSH handshake. This issue has been patched in OTP versions 27.2.4, 26.2.5.9, and 25.3.2.18. There are no known workarounds for this vulnerability.
CVE-2025-26618
This high-severity CVE scores 7.0 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 44% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.0
- EG Score
- 7.0(medium)
- EPSS
- 38.6%
- KEV
- Not listed
Published
February 20, 2025
Last Modified
April 15, 2026
References (4)
- security-advisories@githubhttps://github.com/erlang/otp/commit/0ed2573cbd55c92e9125c9dc70fa1ca7fed82872
- security-advisories@githubhttps://github.com/erlang/otp/security/advisories/GHSA-78cv-45vx-q6fr
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/04/msg00028.html
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://erlang.org/download/OTP-27.2.4.README.md
Vendor Advisories for CVE-2025-26618(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | erlang-xmerl (1:25.3.2.12+dfsg-1ubuntu2.1) @ oracular | 2026-06-08 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 10× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 126 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2025-26618?
When was CVE-2025-26618 disclosed?
Is CVE-2025-26618 actively exploited?
What is the CVSS score of CVE-2025-26618?
How do I remediate CVE-2025-26618?
Dependency Blast Radius
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