LOW
nghttp2: out of memory error due to unlimited incoming HTTP header fields
Published Feb 6, 2020
3.3
LOWCVSS 3.1
EPSS 0.89%
Description
nghttp2 before 1.7.1 allows remote attackers to cause a denial of service (memory exhaustion).
Affected products
-
- Version before 1.7.1StatusaffectedConstraints-
- Version
Configuration 2
OR
- 22
- 23
No data.
Red Hat Software Collections
httpd24-nghttp2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections | httpd24-nghttp2 | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
3.3 LOW NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
No CVSS v3.0 score for this CVE.
2.1 LOW NVD
AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.89% 0.00886
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00886
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (38 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.89% (0.00886) | 57.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.89% (0.00886) | 54.37th | v5 (v2026.06.15) |
| Nov 1, 2025 | 0.70% (0.00699) | 71.35th | v4 (v2025.03.14) |
| Oct 4, 2025 | 2.11% (0.02115) | 83.48th | v4 (v2025.03.14) |
| Oct 1, 2025 | 0.88% (0.00880) | 74.68th | v4 (v2025.03.14) |
| Sep 4, 2025 | 2.11% (0.02115) | 83.45th | v4 (v2025.03.14) |
| Sep 1, 2025 | 0.88% (0.00880) | 74.57th | v4 (v2025.03.14) |
| Aug 6, 2025 | 2.11% (0.02115) | 83.40th | v4 (v2025.03.14) |
| Aug 1, 2025 | 0.88% (0.00880) | 74.53th | v4 (v2025.03.14) |
| Jul 4, 2025 | 2.11% (0.02115) | 83.37th | v4 (v2025.03.14) |
| Jul 1, 2025 | 0.88% (0.00880) | 74.45th | v4 (v2025.03.14) |
| Jun 6, 2025 | 2.11% (0.02115) | 83.25th | v4 (v2025.03.14) |
| Jun 1, 2025 | 0.88% (0.00880) | 74.32th | v4 (v2025.03.14) |
| May 4, 2025 | 2.11% (0.02115) | 83.17th | v4 (v2025.03.14) |
| May 1, 2025 | 0.88% (0.00880) | 74.21th | v4 (v2025.03.14) |
| Apr 23, 2025 | 2.11% (0.02115) | 83.14th | v4 (v2025.03.14) |
| Apr 22, 2025 | 0.88% (0.00880) | 74.10th | v4 (v2025.03.14) |
| Apr 20, 2025 | 2.11% (0.02115) | 83.14th | v4 (v2025.03.14) |
| Apr 19, 2025 | 0.88% (0.00880) | 74.13th | v4 (v2025.03.14) |
| Apr 17, 2025 | 2.11% (0.02115) | 83.13th | v4 (v2025.03.14) |
| Apr 16, 2025 | 0.88% (0.00880) | 74.08th | v4 (v2025.03.14) |
| Apr 9, 2025 | 2.11% (0.02115) | 82.66th | v4 (v2025.03.14) |
| Apr 8, 2025 | 0.88% (0.00880) | 73.35th | v4 (v2025.03.14) |
| Apr 1, 2025 | 2.11% (0.02115) | 82.60th | v4 (v2025.03.14) |
| Mar 31, 2025 | 0.88% (0.00880) | 73.26th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.11% (0.02115) | 82.58th | v4 (v2025.03.14) |
| Mar 27, 2025 | 0.88% (0.00880) | 72.74th | v4 (v2025.03.14) |
| Mar 23, 2025 | 2.11% (0.02115) | 80.88th | v4 (v2025.03.14) |
| Mar 22, 2025 | 0.88% (0.00880) | 73.34th | v4 (v2025.03.14) |
| Mar 18, 2025 | 2.11% (0.02115) | 82.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.88% (0.00880) | 73.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00098) | 42.44th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00098) | 41.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00098) | 39.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
References (9)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177308.html x_refsource_CONFIRMMailing ListPatchThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177666.html x_refsource_CONFIRMMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-1544 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1308461 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/nghttp2/nghttp2/compare/v1.7.0...v1.7.1 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://github.com/nghttp2/nghttp2/releases/tag/v1.7.1 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-1544
- https://security.gentoo.org/glsa/201612-13 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-1544
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177308.html | x_refsource_CONFIRMMailing ListPatchThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177666.html | x_refsource_CONFIRMMailing ListPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-1544 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1308461 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/nghttp2/nghttp2/compare/v1.7.0...v1.7.1 | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://github.com/nghttp2/nghttp2/releases/tag/v1.7.1 | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-1544 | ||
| https://security.gentoo.org/glsa/201612-13 | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2016-1544 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Feb 6, 2020
Updated Aug 5, 2024
Reserved Jan 7, 2016
Link CVE-2016-1544
CISA Vulnrichment
Updated n/a