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Vulnerability details: VCID-4bc8-eeb6-aaar
Vulnerability ID VCID-4bc8-eeb6-aaar
Aliases CVE-2019-11729
Summary Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-11729.html
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11729.json
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
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epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
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epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
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epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00537 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00607 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.00684 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
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epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
epss 0.01627 https://api.first.org/data/v1/epss?cve=CVE-2019-11729
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11729
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-11729
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-11729
archlinux Critical https://security.archlinux.org/AVG-1002
generic_textual Medium https://ubuntu.com/security/notices/USN-4054-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4060-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4060-2
generic_textual Medium https://ubuntu.com/security/notices/USN-4064-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4054-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4060-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4060-2
generic_textual Medium https://usn.ubuntu.com/usn/usn-4064-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-21
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11729
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-22
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2019-22/#CVE-2019-11729
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-23
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-28
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-11729.html
https://access.redhat.com/errata/RHSA-2019:1951
https://access.redhat.com/errata/RHSA-2019:4190
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11729.json
https://api.first.org/data/v1/epss?cve=CVE-2019-11729
https://bugzilla.mozilla.org/show_bug.cgi?id=1515342
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11729
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
https://security.gentoo.org/glsa/201908-12
https://security.gentoo.org/glsa/201908-20
https://ubuntu.com/security/notices/USN-4054-1
https://ubuntu.com/security/notices/USN-4060-1
https://ubuntu.com/security/notices/USN-4060-2
https://ubuntu.com/security/notices/USN-4064-1
https://usn.ubuntu.com/usn/usn-4054-1
https://usn.ubuntu.com/usn/usn-4060-1
https://usn.ubuntu.com/usn/usn-4060-2
https://usn.ubuntu.com/usn/usn-4064-1
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11729
https://www.mozilla.org/en-US/security/advisories/mfsa2019-22/#CVE-2019-11729
https://www.mozilla.org/security/advisories/mfsa2019-21/
https://www.mozilla.org/security/advisories/mfsa2019-22/
https://www.mozilla.org/security/advisories/mfsa2019-23/
ASA-201907-4 https://security.archlinux.org/ASA-201907-4
AVG-1002 https://security.archlinux.org/AVG-1002
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:*:*:*:*:*:*:*:*
CVE-2019-11729 https://nvd.nist.gov/vuln/detail/CVE-2019-11729
mfsa2019-21 https://www.mozilla.org/en-US/security/advisories/mfsa2019-21
mfsa2019-22 https://www.mozilla.org/en-US/security/advisories/mfsa2019-22
mfsa2019-23 https://www.mozilla.org/en-US/security/advisories/mfsa2019-23
mfsa2019-28 https://www.mozilla.org/en-US/security/advisories/mfsa2019-28
RHBA-2020:0547 https://bugzilla.redhat.com/show_bug.cgi?id=1728437
USN-4054-1 https://usn.ubuntu.com/4054-1/
USN-4060-1 https://usn.ubuntu.com/4060-1/
USN-4060-2 https://usn.ubuntu.com/4060-2/
USN-4064-1 https://usn.ubuntu.com/4064-1/
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-2019-11729.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:C/C:L/I:L/A:N 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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11729
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11729
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 0.64844
EPSS Score 0.00537
Published At March 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.