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CVE-2026-45536

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, netty_unix_socket_recvFd sets msg_control to `char control[CMSG_SPACE(sizeof(int))]` (line 940) — 24 bytes on 64-bit Linux. A peer-sent SCM_RIGHTS cmsg carrying two ints has cmsg_len = CMSG_LEN(8) = 24, which fits exactly with no MSG_CTRUNC, so the kernel installs both fds in the receiving process. The subsequent check `cmsg->cmsg_len == CMSG_LEN(sizeof(int)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6f5f9d36a8fbdccbd85317109b26d8a983d1654fb4cb205f17e76d15eb9165a2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-772","description":"CWE-772: Missing Release of Resource after Effective Lifetime","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"netty","vendor":"netty","versions":[{"status":"affected","version":">= 4.2.0.Final, < 4.2.15.Final"},{"status":"affected","version":"< 4.1.135.Final"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-772","description":"CWE-772: Missing Release of Resource after Effective Lifetime","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/netty/netty/releases/tag/netty-4.1.135.Final","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/releases/tag/netty-4.1.135.Final"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/references/1
{"name":"https://github.com/netty/netty/releases/tag/netty-4.2.15.Final","tags":["x_refsource_MISC"],"url":"https://github.com/netty/netty/releases/tag/netty-4.2.15.Final"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/references/2
{"name":"https://github.com/netty/netty/security/advisories/GHSA-w573-9ffj-6ff9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/netty/netty/security/advisories/GHSA-w573-9ffj-6ff9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b91b56650348e88556692caf2c3e3f46da606ccf695addcd1befd0b3ce370a2 · sha256:f0a193c5e64a6886… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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