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Vulnerability details: VCID-2krw-arzc-83bf
Vulnerability ID VCID-2krw-arzc-83bf
Aliases CVE-2017-7758
Summary An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 9.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7758.json
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
epss 0.03399 https://api.first.org/data/v1/epss?cve=CVE-2017-7758
cvssv2 5.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2017-7758
cvssv3 9.1 https://nvd.nist.gov/vuln/detail/CVE-2017-7758
archlinux Critical https://security.archlinux.org/AVG-302
archlinux Critical https://security.archlinux.org/AVG-303
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-15
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-16
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-17
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2017:1440
https://access.redhat.com/errata/RHSA-2017:1561
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7758.json
https://api.first.org/data/v1/epss?cve=CVE-2017-7758
https://bugzilla.mozilla.org/show_bug.cgi?id=1368490
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7749
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7750
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7751
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7752
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7754
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7756
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7757
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7758
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7764
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7771
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7772
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7773
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7774
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7776
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7777
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7778
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.debian.org/security/2017/dsa-3881
https://www.debian.org/security/2017/dsa-3918
https://www.mozilla.org/security/advisories/mfsa2017-15/
https://www.mozilla.org/security/advisories/mfsa2017-16/
https://www.mozilla.org/security/advisories/mfsa2017-17/
http://www.securityfocus.com/bid/99057
http://www.securitytracker.com/id/1038689
1461261 https://bugzilla.redhat.com/show_bug.cgi?id=1461261
ASA-201706-19 https://security.archlinux.org/ASA-201706-19
ASA-201706-20 https://security.archlinux.org/ASA-201706-20
AVG-302 https://security.archlinux.org/AVG-302
AVG-303 https://security.archlinux.org/AVG-303
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2017-7758 https://nvd.nist.gov/vuln/detail/CVE-2017-7758
mfsa2017-15 https://www.mozilla.org/en-US/security/advisories/mfsa2017-15
mfsa2017-16 https://www.mozilla.org/en-US/security/advisories/mfsa2017-16
mfsa2017-17 https://www.mozilla.org/en-US/security/advisories/mfsa2017-17
USN-3315-1 https://usn.ubuntu.com/3315-1/
USN-3321-1 https://usn.ubuntu.com/3321-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7758.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7758
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7758
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.86947
EPSS Score 0.03399
Published At Aug. 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:19.505006+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-17.yml 37.0.0