CVE-2019-17008: mozilla firefox Use After Free
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2019-17008DEBIAN-CVE-2019-17008
Published 08-01-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-17008 is a high (CVSS 8.8) Use After Free vulnerability in mozilla firefox. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.88%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 27 · Related 13DLA-2029-1DLA-2036-1DSA-4580-1DSA-4585-1MGASA-2019-0376MGASA-2019-0377OPENSUSE-SU-2020:0002-1OPENSUSE-SU-2020:0003-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2019:4107RHSA-2019:4108RHSA-2019:4111RHSA-2019:4148RHSA-2019:4195RHSA-2019:4205RHSA-2020:0292RHSA-2020:0295SUSE-SU-2019:14260-1SUSE-SU-2019:3337-1SUSE-SU-2019:3339-1SUSE-SU-2019:3347-1USN-4216-1USN-4216-2USN-4241-1USN-4335-1
Timeline
- 08-01-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.88%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.88% on 19-09-2026
19-09-202619-10-2026
EPSS score1.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- firefox< 71.0+build5-0ubuntu0.16.04.1 | < 71.0+build5-0ubuntu0.18.04.1 | < 71.0+build5-0ubuntu1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- thunderbird< 1:68.7.0+build1-0ubuntu0.16.04.2 | < 1:68.4.1+build1-0ubuntu0.18.04.1 | < 1:68.3.0+build2-0ubuntu1
Mozilla3 products
- firefox< 71 | < 71.0
- firefox_esr< 68.3
- thunderbird< 68.3
Debian2 products
- firefox-esr< 68.3.0esr-1
- thunderbird< 1:68.3.0-1
Opensuse1 product
- leapEOL15.1
4 vendors · 10 products
References
22 links- lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
