CVE-2018-16839
MEDIUM
4.3
CVSS Score
Published: October 31, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 01:44 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxCurl
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Severity
MEDIUM4.3
Exploit prediction
EPSS 6%
SSVC
No known exploit
Description
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (9)
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1042012x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://curl.haxx.se/docs/CVE-2018-16839.htmlx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3EMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.htmlVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201903-03Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3805-1/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.3MEDIUMredhat
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122CWE-190CWE-119
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