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Vulnerability details: VCID-zz3n-8dgm-aaac
Vulnerability ID VCID-zz3n-8dgm-aaac
Aliases CVE-2024-7521
Summary Incomplete WebAssembly exception handing could have led to a use-after-free.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-416 Use After Free
CWE-755 Improper Handling of Exceptional Conditions
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-7521.json
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-7521.json
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00262 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00357 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00357 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00357 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00378 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00393 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00409 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00409 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00409 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00409 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00515 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00515 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00515 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.00515 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
epss 0.0126 https://api.first.org/data/v1/epss?cve=CVE-2024-7521
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2024-7521
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2024-7521
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-33
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-34
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-35
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-37
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-38
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-7521.json
https://api.first.org/data/v1/epss?cve=CVE-2024-7521
https://bugzilla.mozilla.org/show_bug.cgi?id=1904644
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7519
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7521
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7522
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7524
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7525
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7526
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7527
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7529
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7531
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2024-33/
https://www.mozilla.org/security/advisories/mfsa2024-34/
https://www.mozilla.org/security/advisories/mfsa2024-35/
https://www.mozilla.org/security/advisories/mfsa2024-37/
https://www.mozilla.org/security/advisories/mfsa2024-38/
2303138 https://bugzilla.redhat.com/show_bug.cgi?id=2303138
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:firefox_esr:128.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:128.0:*:*:*:*:*:*:*
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:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:128.0.1:*:*:*:*:*:*:*
CVE-2024-7521 https://nvd.nist.gov/vuln/detail/CVE-2024-7521
GLSA-202412-04 https://security.gentoo.org/glsa/202412-04
GLSA-202412-06 https://security.gentoo.org/glsa/202412-06
GLSA-202412-13 https://security.gentoo.org/glsa/202412-13
mfsa2024-33 https://www.mozilla.org/en-US/security/advisories/mfsa2024-33
mfsa2024-34 https://www.mozilla.org/en-US/security/advisories/mfsa2024-34
mfsa2024-35 https://www.mozilla.org/en-US/security/advisories/mfsa2024-35
mfsa2024-37 https://www.mozilla.org/en-US/security/advisories/mfsa2024-37
mfsa2024-38 https://www.mozilla.org/en-US/security/advisories/mfsa2024-38
RHSA-2024:5322 https://access.redhat.com/errata/RHSA-2024:5322
RHSA-2024:5323 https://access.redhat.com/errata/RHSA-2024:5323
RHSA-2024:5324 https://access.redhat.com/errata/RHSA-2024:5324
RHSA-2024:5325 https://access.redhat.com/errata/RHSA-2024:5325
RHSA-2024:5326 https://access.redhat.com/errata/RHSA-2024:5326
RHSA-2024:5327 https://access.redhat.com/errata/RHSA-2024:5327
RHSA-2024:5328 https://access.redhat.com/errata/RHSA-2024:5328
RHSA-2024:5329 https://access.redhat.com/errata/RHSA-2024:5329
RHSA-2024:5391 https://access.redhat.com/errata/RHSA-2024:5391
RHSA-2024:5392 https://access.redhat.com/errata/RHSA-2024:5392
RHSA-2024:5393 https://access.redhat.com/errata/RHSA-2024:5393
RHSA-2024:5394 https://access.redhat.com/errata/RHSA-2024:5394
RHSA-2024:5395 https://access.redhat.com/errata/RHSA-2024:5395
RHSA-2024:5396 https://access.redhat.com/errata/RHSA-2024:5396
RHSA-2024:5402 https://access.redhat.com/errata/RHSA-2024:5402
RHSA-2024:5527 https://access.redhat.com/errata/RHSA-2024:5527
RHSA-2024:5528 https://access.redhat.com/errata/RHSA-2024:5528
USN-6966-1 https://usn.ubuntu.com/6966-1/
USN-6995-1 https://usn.ubuntu.com/6995-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-7521.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://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-7521.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://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: 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-2024-7521
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://nvd.nist.gov/vuln/detail/CVE-2024-7521
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 0.36867
EPSS Score 0.00084
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
2024-08-06T17:27:22.058195+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2024/mfsa2024-33.yml 34.0.0rc4