critical
CVE-2018-16839
curl: Integer overflow leading to heap-based buffer overflow in Curl_sasl_create_plain_message()
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.0CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Amazon (medium), Ubuntu (medium), Red Hat (low).
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 packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | curl | 7.59.0-5.ph1 |
| Photon OS 2.0 | curl | 7.59.0-4.ph2 |
| Photon OS 3.0 | curl | 7.61.1-2.ph3 |
| alpine 3.10 | curl | 7.62.0-r0 |
| alpine 3.11 | curl | 7.62.0-r0 |
| alpine 3.12 | curl | 7.62.0-r0 |
| alpine 3.13 | curl | 7.62.0-r0 |
| alpine 3.14 | curl | 7.62.0-r0 |
| alpine 3.15 | curl | 7.62.0-r0 |
| alpine 3.16 | curl | 7.62.0-r0 |
| alpine 3.17 | curl | 7.62.0-r0 |
| alpine 3.18 | curl | 7.62.0-r0 |
Show all 55 entries from 44 sources
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | curl | 7.59.0-5.ph1 |
| Photon OS 2.0 | curl | 7.59.0-4.ph2 |
| Photon OS 3.0 | curl | 7.61.1-2.ph3 |
| alpine 3.10 | curl | 7.62.0-r0 |
| alpine 3.11 | curl | 7.62.0-r0 |
| alpine 3.12 | curl | 7.62.0-r0 |
| alpine 3.13 | curl | 7.62.0-r0 |
| alpine 3.14 | curl | 7.62.0-r0 |
| alpine 3.15 | curl | 7.62.0-r0 |
| alpine 3.16 | curl | 7.62.0-r0 |
| alpine 3.17 | curl | 7.62.0-r0 |
| alpine 3.18 | curl | 7.62.0-r0 |
| alpine 3.19 | curl | 7.62.0-r0 |
| alpine 3.20 | curl | 7.62.0-r0 |
| alpine 3.21 | curl | 7.62.0-r0 |
| alpine 3.22 | curl | 7.62.0-r0 |
| alpine 3.23 | curl | 7.62.0-r0 |
| alpine 3.24 | curl | 7.62.0-r0 |
| alpine 3.5 | curl | 7.61.1-r1 |
| alpine 3.6 | curl | 7.61.1-r1 |
| alpine 3.7 | curl | 7.61.1-r1 |
| alpine 3.8 | curl | 7.61.1-r1 |
| alpine 3.9 | curl | 7.62.0-r0 |
| alpine edge | curl | 7.62.0-r0 |
| amazon linux 1 | curl | 7.53.1-16.86.amzn1 |
| amazon linux 1 | curl-debuginfo | 7.53.1-16.86.amzn1 |
| amazon linux 1 | libcurl | 7.53.1-16.86.amzn1 |
| amazon linux 1 | libcurl-devel | 7.53.1-16.86.amzn1 |
| amazon linux 2 | curl | 7.61.1-9.amzn2.0.1 |
| amazon linux 2 | curl-debuginfo | 7.61.1-9.amzn2.0.1 |
| amazon linux 2 | libcurl | 7.61.1-9.amzn2.0.1 |
| amazon linux 2 | libcurl-devel | 7.61.1-9.amzn2.0.1 |
| debian 11 | curl | 7.62.0-1 |
| debian 12 | curl | 7.62.0-1 |
| debian 13 | curl | 7.62.0-1 |
| debian 14 | curl | 7.62.0-1 |
| debian 8 | curl | 7.38.0-4+deb8u13 |
| debian 9 | curl | 7.52.1-5+deb9u8 |
| echo | curl | 7.62.0-1 |
| Red Hat | httpd24-curl | no fix listed |
| Red Hat | httpd24-libcurl | no fix listed |
| Red Hat | httpd24-libcurl-devel | no fix listed |
| Red Hat | rh-dotnet21-curl | no fix listed |
| Red Hat | rh-dotnet21-libcurl | no fix listed |
| Red Hat | rh-dotnet21-libcurl-devel | no fix listed |
| root.io debian 11 | rootio-curl | 7.62.0-1 |
| root.io debian 12 | rootio-curl | 7.62.0-1 |
| root.io debian 13 | rootio-curl | 7.62.0-1 |
| ubuntu 14.04 | curl | 7.35.0-1ubuntu2.19 |
| ubuntu 14.04-ESM | curl | 7.35.0-1ubuntu2.19 |
| ubuntu 16.04 | curl | 7.47.0-1ubuntu2.11 |
| ubuntu 16.04-ESM | curl | 7.47.0-1ubuntu2.11 |
| ubuntu 18.04 | curl | 7.58.0-2ubuntu3.5 |
| ubuntu 18.04-ESM | curl | 7.58.0-2ubuntu3.5 |
| ubuntu 18.10 | curl | 7.61.0-1ubuntu2.2 |
References
- http://www.securitytracker.com/id/1042012
- https://access.redhat.com/security/cve/CVE-2018-16839
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839
- https://curl.haxx.se/docs/CVE-2018-16839.html
- https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5
- https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-16839