OT
Product
OTP
by Erlang · last CVE Oct 14, 2026
On CISA KEVExploited in the wild
70
CVEs
1
On KEV
10.0
Max CVSS
3
New 30D
Severity mix
Critical 6High 29Medium 29Low 4
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Add OTP to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-69664
8.7
1%
Sep 1
httpd parks a request worker indefinitely on a malformed chunk size sent after the headers
Affected: 18.1.4; 6.0.3; 77acb473d8f056f6f534395f131c6e45693797f0
CVE-2026-74835
8.7
1%
Sep 1
inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Reception
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-71380
8.7
1%
Sep 1
httpd applies no timeout while receiving a request body, parking a worker on a stalled client
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-70399
8.7
1%
Sep 1
httpd does not enforce the documented default max_clients connection limit
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-73812
8.3
1%
Sep 1
inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-73276
8.3
1%
Sep 1
inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i
Affected: 22.2 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 7.1.2 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-66357
8.3
1%
Sep 1
inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-59250
8.3
1%
Jul 27
Megaco flex scanner buffer overflow via oversized property parm name
Affected: 17.0 before 27.3.4.15; 28.0 before 28.5.0.4; 29.0 before 29.0.4; 3.17.1 before 4.7.2.2; 4.8 before 4.8.3.1; 4.9 before 4.9.1; +1 more
CVE-2026-94200
8.2
0%
Oct 14
TLS 1.3 client ticket store crashed by NewSessionTicket with empty early_data extension in ssl
Affected: 23.3; 10.3; 0abe6f66db0d295cd06b0efab3bdb3caa2803930
CVE-2026-65634
8.2
0%
Sep 22
Superlinear CPU denial of service in Erlang/OTP ASN.1 OBJECT IDENTIFIER decoder
Affected: 17.0; 3.0; 84adefa331c4159d432d22840663c38f155cd4c1 before 0fe2c02fdc06fab1c63be9db1a7456993d20f838
CVE-2026-66835
8.2
1%
Sep 1
httpd mod_auth directory protection bypassed by a doubled slash in the request path
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-73270
8.2
1%
Sep 1
httpd mod_auth directory protection bypassed by request path casing on case-insensitive filesystems
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-75538
8.2
1%
Sep 1
A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 6.0 before 15.2.7.13; 16.0 before 16.4.0.6; 17.0 before 17.0.6; +1 more
CVE-2026-55951
8.2
1%
Sep 1
httpc memory exhaustion via unbounded response header accumulation
Affected: 17.0 before 27.3.4.17; 28.0 before 28.5.0.6; 29.0 before 29.0.6; 5.10 before 9.3.2.7; 9.4 before 9.6.2.3; 9.7 before 9.7.2; +1 more
CVE-2026-49759
8.2
0%
Jun 10
Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash
Affected: 17.0; 6.0; 84adefa331c4159d432d22840663c38f155cd4c1 before 3983d495284331c121f600a80bac9fcf4e16381e
CVE-2026-42790
8.1
0%
May 27
nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification
Affected: 1.4; 19.3; b0c245e8132bb13171e277b1af59c0cec00c9459
CVE-2026-54890
7.5
0%
Jul 27
BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding
Affected: 15.0; 27.0; 24ef4cbaeda9b9c26682cba75f2f15b0c58722aa before dc1bf9344c0ce62717cf60866590cea0242780fd
CVE-2026-59251
7.5
0%
Jul 27
Denial of service via exponential certificate policy tree growth in path validation
Affected: 1.15; 26.2; 9d1dda7bad5a64b58c10a1554751689e94131a73
CVE-2026-55737
7.5
0%
Jul 27
Heap pointer corruption via signed/unsigned mismatch in LARGE_TUPLE_EXT decoding in erts external term format decoder
Affected: 13.0; 25.0; ebcbb97b4ec223464cac3d94375739a248ddef6e before c5210b42a9d3d96f3d25601942ce8122be0f3761
CVE-2026-42792
7.5
0%
Jul 27
epmd permanent DoS via EMFILE on accept(2) in erts
Affected: 6.0; 17.0; 07b8f441ca711f9812fad9e9115bab3c3aa92f79 before 865d203e4a6a8f44179eced9e1428f9259e4a3bb
CVE-2026-58227
7.5
0%
Jul 27
TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain
Affected: 10.2; 23.2; addc42df113f8f15fc20e9dff45490b3ce0d3d6b
CVE-2026-55952
7.5
0%
Jul 2
TLS 1.3 server denial of service via malformed ClientHello pre-shared key extension
Affected: 9.5; 22.2; 339a279f02ce38a7b23010e56000613e19abb21f
CVE-2020-35733
7.5
1%
Jan 15
An issue was discovered in Erlang/OTP before 23.2.2
Affected: before 23.2.2
CVE-2020-25623
7.5
3%
Oct 2
Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal
Affected: 22.3.0 before 22.3.4.6; 23.0.0 before 23.1
CVE-2026-55953
7.4
0%
Jul 27
TLS 1.2 and DTLS client accepts unoffered anonymous cipher suite, bypassing server authentication
Affected: 17.0 before 27.3.4.15; 28.0 before 28.5.0.4; 29.0 before 29.0.4; 5.3.4 before 11.2.12.11; 11.3 before 11.6.0.4; 11.7 before 11.7.4; +1 more
CVE-2026-32144
7.4
0%
Apr 7
OCSP designated-responder authorization bypass via missing signature verification
Affected: 1.16; 11.2; 27.0; 601a012837ea0a5c8095bf24223132824177124d
CVE-2026-68956
7.1
0%
Sep 22
SSH daemon allocates unbounded idle session channels, bypassing max_channels
Affected: 18.1.2; 4.1.1; 84df3d4d0278e21a36a453bfee94799f0df67c2a
CVE-2025-48041
7.1
0%
Sep 11
SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles
Affected: 3.0.1; 17.0; 07b8f441ca711f9812fad9e9115bab3c3aa92f79
CVE-2021-29221
7.0
1%
Apr 9
A local privilege escalation vulnerability was discovered in Erlang/OTP prior to version 23.2.3
Affected: before 23.2.3
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