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Vulnerability details: VCID-1zaj-dhug-bffr
Vulnerability ID VCID-1zaj-dhug-bffr
Aliases CVE-2024-0743
Summary An unchecked return value in TLS handshake code could have caused a potentially exploitable crash.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-252 Unchecked Return Value
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-0743.json
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
epss 0.00645 https://api.first.org/data/v1/epss?cve=CVE-2024-0743
cvssv3.1 7.5 https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2024-0743
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-01
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-13
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-14
cvssv3.1 7.5 https://www.mozilla.org/security/advisories/mfsa2024-01/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-01/
cvssv3.1 7.5 https://www.mozilla.org/security/advisories/mfsa2024-13/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-13/
cvssv3.1 7.5 https://www.mozilla.org/security/advisories/mfsa2024-14/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-14/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-0743.json
https://api.first.org/data/v1/epss?cve=CVE-2024-0743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5388
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-1936
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2607
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2608
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2610
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2611
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2612
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2614
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2616
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2260012 https://bugzilla.redhat.com/show_bug.cgi?id=2260012
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:*:*:*:*:*:*:*:*
CVE-2024-0743 https://nvd.nist.gov/vuln/detail/CVE-2024-0743
mfsa2024-01 https://www.mozilla.org/en-US/security/advisories/mfsa2024-01
mfsa2024-01 https://www.mozilla.org/security/advisories/mfsa2024-01/
mfsa2024-13 https://www.mozilla.org/en-US/security/advisories/mfsa2024-13
mfsa2024-13 https://www.mozilla.org/security/advisories/mfsa2024-13/
mfsa2024-14 https://www.mozilla.org/en-US/security/advisories/mfsa2024-14
mfsa2024-14 https://www.mozilla.org/security/advisories/mfsa2024-14/
msg00010.html https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
msg00022.html https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
msg00028.html https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
RHSA-2024:1483 https://access.redhat.com/errata/RHSA-2024:1483
RHSA-2024:1484 https://access.redhat.com/errata/RHSA-2024:1484
RHSA-2024:1485 https://access.redhat.com/errata/RHSA-2024:1485
RHSA-2024:1486 https://access.redhat.com/errata/RHSA-2024:1486
RHSA-2024:1487 https://access.redhat.com/errata/RHSA-2024:1487
RHSA-2024:1488 https://access.redhat.com/errata/RHSA-2024:1488
RHSA-2024:1489 https://access.redhat.com/errata/RHSA-2024:1489
RHSA-2024:1490 https://access.redhat.com/errata/RHSA-2024:1490
RHSA-2024:1491 https://access.redhat.com/errata/RHSA-2024:1491
RHSA-2024:1492 https://access.redhat.com/errata/RHSA-2024:1492
RHSA-2024:1493 https://access.redhat.com/errata/RHSA-2024:1493
RHSA-2024:1494 https://access.redhat.com/errata/RHSA-2024:1494
RHSA-2024:1495 https://access.redhat.com/errata/RHSA-2024:1495
RHSA-2024:1496 https://access.redhat.com/errata/RHSA-2024:1496
RHSA-2024:1497 https://access.redhat.com/errata/RHSA-2024:1497
RHSA-2024:1498 https://access.redhat.com/errata/RHSA-2024:1498
RHSA-2024:1499 https://access.redhat.com/errata/RHSA-2024:1499
RHSA-2024:1500 https://access.redhat.com/errata/RHSA-2024:1500
show_bug.cgi?id=1867408 https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
USN-6610-1 https://usn.ubuntu.com/6610-1/
USN-6717-1 https://usn.ubuntu.com/6717-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-0743.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:N/S:U/C:N/I:N/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
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

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1867408
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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

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none

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none

required

unchanged

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00010.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-0743
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-01/
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-01/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-13/
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-13/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-14/
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:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:30:55Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-14/
Exploit Prediction Scoring System (EPSS)
Percentile 0.68361
EPSS Score 0.00594
Published At Sept. 20, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:08.108753+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2024/mfsa2024-13.yml 37.0.0