UnratedFix available
UBUNTU-CVE-2026-58227
The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In ssl_certificate:handle_incomplete_chain/5, the received chain is passed to ssl_certificate:build_certificate_chain/5, which walks issuer relationships via ssl_certificate:do_certificate_chain/7 with no cycle detection and no depth limit. When the peer supplies two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup alternates between the two certificates and the pair of functions recurses indefinitely, growing the call stack and chain accumulator without bound. An unauthenticated remote attacker can send a crafted certificate chain in a TLS or DTLS Certificate handshake message to exhaust available memory and crash the BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate messages. This issue affects OTP from OTP 23.2 before OTP 29.0.4, OTP 28.5.0.4 and OTP 27.3.4.15, corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11.
Announced Source revision 1
Original source ↗UBUNTU-CVE-2026-58227
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:UBUNTU-CVE-2026-58227
erlang
Source reference: /affected/0/package/name
- Affected versions
- 1:23.2.6+dfsg-1build1
Source reference:
/affected/0/versions1:24.1.1+dfsg-1Source reference:
/affected/0/versions1:24.1.4+dfsg-1Source reference:
/affected/0/versions1:24.1.5+dfsg-1Source reference:
/affected/0/versions1:24.1.5+dfsg-1ubuntu1Source reference:
/affected/0/versions1:24.2+dfsg-1Source reference:
/affected/0/versions1:24.2.1+dfsg-1Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.1Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.2Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.3Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.4Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.5Source reference:
/affected/0/versions1:24.2.1+dfsg-1ubuntu0.6Source reference:
/affected/0/versions - Fixed versions
- 1:24.2.1+dfsg-1ubuntu0.7
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
erlang
Source reference: /affected/1/package/name
- Affected versions
- 1:25.2.3+dfsg-1
Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu1Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu3Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.1Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.2Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.3Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.4Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.5Source reference:
/affected/1/versions1:25.3.2.8+dfsg-1ubuntu4.6Source reference:
/affected/1/versions - Fixed versions
- 1:25.3.2.8+dfsg-1ubuntu4.7
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
erlang
Source reference: /affected/2/package/name
- Affected versions
- 1:27.3.4.1+dfsg-1build1
Source reference:
/affected/2/versions1:27.3.4.3+dfsg-1Source reference:
/affected/2/versions1:27.3.4.4+dfsg-1Source reference:
/affected/2/versions1:27.3.4.6+dfsg-1Source reference:
/affected/2/versions - Fixed versions
- 1:27.3.4.6+dfsg-1ubuntu0.1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
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]Publisher severity
No explicit severity was provided.
- Event
- #23708 · Revision 1
- Added to Heist Feed
- Publisher date