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Purlpkg:apk/alpine/coturn@4.10.0-r0?arch=aarch64&distroversion=v3.23&reponame=community
Typeapk
Namespacealpine
Namecoturn
Version4.10.0-r0
Qualifiers
arch aarch64
distroversion v3.23
reponame community
Subpath
Is_vulnerablefalse
Next_non_vulnerable_versionnull
Latest_non_vulnerable_versionnull
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-uhuv-w5us-yybz
vulnerability_id VCID-uhuv-w5us-yybz
summary Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.10.0, the STUN/TURN attribute parsing functions in coturn perform unsafe pointer casts from uint8_t * to uint16_t * without alignment checks. When processing a crafted STUN message with odd-aligned attribute boundaries, this results in misaligned memory reads at ns_turn_msg.c. On ARM64 architectures (AArch64) with strict alignment enforcement, this causes a SIGBUS signal that immediately kills the turnserver process. An unauthenticated remote attacker can crash any ARM64 coturn deployment by sending a single crafted UDP packet. This vulnerability is fixed in 4.10.0.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-40613
reference_id
reference_type
scores
0
value 0.00283
scoring_system epss
scoring_elements 0.52068
published_at 2026-06-11T12:55:00Z
1
value 0.00283
scoring_system epss
scoring_elements 0.52198
published_at 2026-06-12T12:55:00Z
2
value 0.00283
scoring_system epss
scoring_elements 0.52209
published_at 2026-06-13T12:55:00Z
3
value 0.00283
scoring_system epss
scoring_elements 0.52192
published_at 2026-06-14T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-40613
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40613
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40613
2
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134577
reference_id 1134577
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134577
3
reference_url https://github.com/coturn/coturn/security/advisories/GHSA-j662-9wcj-mf36
reference_id GHSA-j662-9wcj-mf36
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-21T19:54:32Z/
url https://github.com/coturn/coturn/security/advisories/GHSA-j662-9wcj-mf36
fixed_packages
0
url pkg:apk/alpine/coturn@4.10.0-r0?arch=aarch64&distroversion=v3.23&reponame=community
purl pkg:apk/alpine/coturn@4.10.0-r0?arch=aarch64&distroversion=v3.23&reponame=community
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/coturn@4.10.0-r0%3Farch=aarch64&distroversion=v3.23&reponame=community
aliases CVE-2026-40613
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-uhuv-w5us-yybz
1
url VCID-vyte-pfkt-rbaw
vulnerability_id VCID-vyte-pfkt-rbaw
summary Coturn is a free open source implementation of TURN and STUN Server. Coturn is commonly configured to block loopback and internal ranges using "denied-peer-ip" and/or default loopback restrictions. CVE-2020-26262 addressed bypasses involving "0.0.0.0", "[::1]" and "[::]", but IPv4-mapped IPv6 is not covered. When sending a "CreatePermission" or "ChannelBind" request with the "XOR-PEER-ADDRESS" value of "::ffff:127.0.0.1", a successful response is received, even though "127.0.0.0/8" is blocked via "denied-peer-ip". The root cause is that, prior to the updated fix implemented in version 4.9.0, three functions in "src/client/ns_turn_ioaddr.c" do not check "IN6_IS_ADDR_V4MAPPED". "ioa_addr_is_loopback()" checks "127.x.x.x" (AF_INET) and "::1" (AF_INET6), but not "::ffff:127.0.0.1." "ioa_addr_is_zero()" checks "0.0.0.0" and "::", but not "::ffff:0.0.0.0." "addr_less_eq()" used by "ioa_addr_in_range()" for "denied-peer-ip" matching: when the range is AF_INET and the peer is AF_INET6, the comparison returns 0 without extracting the embedded IPv4. Version 4.9.0 contains an updated fix to address the bypass of the fix for CVE-2020-26262.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-27624
reference_id
reference_type
scores
0
value 0.00053
scoring_system epss
scoring_elements 0.17096
published_at 2026-06-11T12:55:00Z
1
value 0.00053
scoring_system epss
scoring_elements 0.17256
published_at 2026-06-12T12:55:00Z
2
value 0.00053
scoring_system epss
scoring_elements 0.17273
published_at 2026-06-13T12:55:00Z
3
value 0.00053
scoring_system epss
scoring_elements 0.17246
published_at 2026-06-14T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-27624
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27624
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27624
2
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1129267
reference_id 1129267
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1129267
fixed_packages
0
url pkg:apk/alpine/coturn@4.10.0-r0?arch=aarch64&distroversion=v3.23&reponame=community
purl pkg:apk/alpine/coturn@4.10.0-r0?arch=aarch64&distroversion=v3.23&reponame=community
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:apk/alpine/coturn@4.10.0-r0%3Farch=aarch64&distroversion=v3.23&reponame=community
aliases CVE-2026-27624
risk_score null
exploitability 0.5
weighted_severity 0.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-vyte-pfkt-rbaw
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:apk/alpine/coturn@4.10.0-r0%3Farch=aarch64&distroversion=v3.23&reponame=community