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Vulnerability details: VCID-veyd-23sa-dug8
Vulnerability ID VCID-veyd-23sa-dug8
Aliases CVE-2023-29535
Summary Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and 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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-29535.json
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
epss 0.00102 https://api.first.org/data/v1/epss?cve=CVE-2023-29535
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1820543
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-29535
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-13
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-14
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-15
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-13/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-14/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-15/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-29535.json
https://api.first.org/data/v1/epss?cve=CVE-2023-29535
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0547
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1945
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1999
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28427
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29479
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29533
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29535
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29536
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29541
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29548
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29550
2186103 https://bugzilla.redhat.com/show_bug.cgi?id=2186103
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:*:*:*:*:*:android:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
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:focus:*:*:*:*:*:android:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:focus:*:*:*:*:*:android:*:*
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:*:*:*:*:*:*:*:*
CVE-2023-29535 https://nvd.nist.gov/vuln/detail/CVE-2023-29535
mfsa2023-13 https://www.mozilla.org/en-US/security/advisories/mfsa2023-13
mfsa2023-13 https://www.mozilla.org/security/advisories/mfsa2023-13/
mfsa2023-14 https://www.mozilla.org/en-US/security/advisories/mfsa2023-14
mfsa2023-14 https://www.mozilla.org/security/advisories/mfsa2023-14/
mfsa2023-15 https://www.mozilla.org/en-US/security/advisories/mfsa2023-15
mfsa2023-15 https://www.mozilla.org/security/advisories/mfsa2023-15/
RHSA-2023:1785 https://access.redhat.com/errata/RHSA-2023:1785
RHSA-2023:1786 https://access.redhat.com/errata/RHSA-2023:1786
RHSA-2023:1787 https://access.redhat.com/errata/RHSA-2023:1787
RHSA-2023:1788 https://access.redhat.com/errata/RHSA-2023:1788
RHSA-2023:1789 https://access.redhat.com/errata/RHSA-2023:1789
RHSA-2023:1790 https://access.redhat.com/errata/RHSA-2023:1790
RHSA-2023:1791 https://access.redhat.com/errata/RHSA-2023:1791
RHSA-2023:1792 https://access.redhat.com/errata/RHSA-2023:1792
RHSA-2023:1802 https://access.redhat.com/errata/RHSA-2023:1802
RHSA-2023:1803 https://access.redhat.com/errata/RHSA-2023:1803
RHSA-2023:1804 https://access.redhat.com/errata/RHSA-2023:1804
RHSA-2023:1805 https://access.redhat.com/errata/RHSA-2023:1805
RHSA-2023:1806 https://access.redhat.com/errata/RHSA-2023:1806
RHSA-2023:1809 https://access.redhat.com/errata/RHSA-2023:1809
RHSA-2023:1810 https://access.redhat.com/errata/RHSA-2023:1810
RHSA-2023:1811 https://access.redhat.com/errata/RHSA-2023:1811
show_bug.cgi?id=1820543 https://bugzilla.mozilla.org/show_bug.cgi?id=1820543
USN-6010-1 https://usn.ubuntu.com/6010-1/
USN-6015-1 https://usn.ubuntu.com/6015-1/
USN-6120-1 https://usn.ubuntu.com/6120-1/
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-2023-29535.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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-09T15:51:21Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1820543
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-29535
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:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-09T15:51:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-13/
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-09T15:51:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-14/
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-09T15:51:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-15/
Exploit Prediction Scoring System (EPSS)
Percentile 0.2832
EPSS Score 0.00099
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:31.012291+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-13.yml 37.0.0