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Vulnerability details: VCID-11ym-6m1p-k3hg
Vulnerability ID VCID-11ym-6m1p-k3hg
Aliases CVE-2022-45412
Summary When resolving a symlink such as file:///proc/self/fd/1, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer. *This bug only affects Thunderbird on Unix-based operated systems (Android, Linux, MacOS). Windows is unaffected.*
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-59 Improper Link Resolution Before File Access ('Link Following')
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45412.json
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00108 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2022-45412
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-45412
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-47
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-48
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-49
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-47/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-47/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-48/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-48/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-49/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-49/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45412.json
https://api.first.org/data/v1/epss?cve=CVE-2022-45412
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45403
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45404
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45405
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45406
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45408
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45409
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45410
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45411
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45412
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45416
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45418
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45420
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45421
2143205 https://bugzilla.redhat.com/show_bug.cgi?id=2143205
CVE-2022-45412 https://nvd.nist.gov/vuln/detail/CVE-2022-45412
mfsa2022-47 https://www.mozilla.org/en-US/security/advisories/mfsa2022-47
mfsa2022-47 https://www.mozilla.org/security/advisories/mfsa2022-47/
mfsa2022-48 https://www.mozilla.org/en-US/security/advisories/mfsa2022-48
mfsa2022-48 https://www.mozilla.org/security/advisories/mfsa2022-48/
mfsa2022-49 https://www.mozilla.org/en-US/security/advisories/mfsa2022-49
mfsa2022-49 https://www.mozilla.org/security/advisories/mfsa2022-49/
RHSA-2022:8543 https://access.redhat.com/errata/RHSA-2022:8543
RHSA-2022:8544 https://access.redhat.com/errata/RHSA-2022:8544
RHSA-2022:8545 https://access.redhat.com/errata/RHSA-2022:8545
RHSA-2022:8547 https://access.redhat.com/errata/RHSA-2022:8547
RHSA-2022:8548 https://access.redhat.com/errata/RHSA-2022:8548
RHSA-2022:8549 https://access.redhat.com/errata/RHSA-2022:8549
RHSA-2022:8550 https://access.redhat.com/errata/RHSA-2022:8550
RHSA-2022:8552 https://access.redhat.com/errata/RHSA-2022:8552
RHSA-2022:8553 https://access.redhat.com/errata/RHSA-2022:8553
RHSA-2022:8554 https://access.redhat.com/errata/RHSA-2022:8554
RHSA-2022:8555 https://access.redhat.com/errata/RHSA-2022:8555
RHSA-2022:8556 https://access.redhat.com/errata/RHSA-2022:8556
RHSA-2022:8561 https://access.redhat.com/errata/RHSA-2022:8561
RHSA-2022:8580 https://access.redhat.com/errata/RHSA-2022:8580
RHSA-2022:8979 https://access.redhat.com/errata/RHSA-2022:8979
RHSA-2022:8980 https://access.redhat.com/errata/RHSA-2022:8980
show_bug.cgi?id=1791029 https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
USN-5726-1 https://usn.ubuntu.com/5726-1/
USN-5824-1 https://usn.ubuntu.com/5824-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45412.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
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: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T15:04:52Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1791029
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-45412
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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-47/
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: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T15:04:52Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-47/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-48/
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: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T15:04:52Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-48/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-49/
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: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T15:04:52Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-49/
Exploit Prediction Scoring System (EPSS)
Percentile 0.29818
EPSS Score 0.00108
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:02.889235+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-49.yml 37.0.0