CVE-2019-11719: mozilla firefox Out-of-bounds Read
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2019-11719DEBIAN-CVE-2019-11719
Published 23-07-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11719 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in mozilla firefox. EPSS estimates a 2.29% chance of exploitation in the next 30 days, higher than 82.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
2.29%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 31 · Related 23DLA-1857-1DLA-2388-1MGASA-2019-0211MGASA-2019-0212MGASA-2019-0213MGASA-2019-0272OPENSUSE-SU-2019:1782-1OPENSUSE-SU-2019:1811-1OPENSUSE-SU-2019:1813-1OPENSUSE-SU-2019:1990-1OPENSUSE-SU-2019:2248-1OPENSUSE-SU-2019:2249-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:11058-1OPENSUSE-SU-2024:14572-1RHSA-2019:1951RHSA-2020:4076SUSE-SU-2019:14124-1SUSE-SU-2019:14246-1SUSE-SU-2019:1861-1SUSE-SU-2019:1861-2SUSE-SU-2019:1861-3SUSE-SU-2019:1869-1SUSE-SU-2019:1960-1SUSE-SU-2019:2515-1SUSE-SU-2019:2620-1USN-4054-1USN-4060-1USN-4060-2USN-4064-1
Timeline
- 23-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.29%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.09 pp
From 2.20% on 18-09-2026
18-09-202618-10-2026
EPSS score2.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu5 products
- firefox< 68.0+build3-0ubuntu0.16.04.1 | < 68.0+build3-0ubuntu0.18.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- nss< 2:3.28.4-0ubuntu0.14.04.5+esm1 | < 2:3.28.4-0ubuntu0.16.04.6 | < 2:3.35-2ubuntu2.3
- thunderbird< 1:60.8.0+build1-0ubuntu0.16.04.2 | < 1:60.8.0+build1-0ubuntu0.18.04.1
Debian3 products
- firefox-esr< 60.8.0esr-1
- nss< 2:3.45-1
- thunderbird< 1:60.8.0-1
Mozilla3 products
- firefox≥ unspecified, < 68 | < 60.8.0 | < 68.0
- firefox_esr≥ unspecified, < 60.8
- thunderbird≥ unspecified, < 60.8 | < 60.8.0
3 vendors · 11 products
References
22 links- bugzilla.mozilla.org/show_bug.cgi?id=1540541X Refsource MISCIssue TrackingPermissions RequiredVendor Advisory
