CVE-2019-3836: fedoraproject fedora Missing Initialization of a Variable
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2019-3836DEBIAN-CVE-2019-3836CGA-rvc6-8xg9-f5p4CGA-wcmf-2gqw-vmpw
Published 01-04-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-3836 is a high (CVSS 7.5) Missing Initialization of a Variable vulnerability in fedoraproject fedora. EPSS estimates a 3.40% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 4 · Related 5Timeline
- 01-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
CVSS metrics
7 scores · 6 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources6 sources · 5.9–7.5
- CVE.orgCNA5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.40%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.40% on 19-09-2026
19-09-202619-10-2026
EPSS score3.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- gnutls≥ 3.6.3, < 3.6.7-r0
Chainguard1 product
- gnutlsAll versions (No fix recorded)
Debian1 product
- gnutls28< 3.6.7-2
Fedoraproject1 product
- fedoraEOL28
Gnu1 product
- gnutls≥ 3.6.3, < 3.6.7
Gnutls1 product
- gnutlsfixed in gnutls 3.6.7
Opensuse1 product
- leapEOL15.0
Wolfi1 product
- gnutlsAll versions (No fix recorded)
8 vendors · 8 products
References
10 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836X Refsource CONFIRMREPORTIssue TrackingThird Party Advisory
- gitlab.com/gnutls/gnutls/issues/704X Refsource CONFIRMREPORTExploitIssue TrackingThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlVendor AdvisoryX Refsource SUSEAdvisoryMailing ListThird Party Advisory
