Description
nghttp2 before 1.7.1 allows remote attackers to cause a denial of service (memory exhaustion).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| nghttp2 | nghttp2 | before 1.7.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nghttp2 | 1.7.1-1 | — |
| Debian 13 | nghttp2 | 1.7.1-1 | — |
| Debian 12 | nghttp2 | 1.7.1-1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES 12 SP4 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES 12 SP3 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES 12 SP2 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES for SAP 12 SP4 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES for SAP 12 SP3 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SLES for SAP 12 SP2 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE OpenStack Cloud Crowbar 9 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE OpenStack Cloud Crowbar 8 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE OpenStack Cloud 9 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE OpenStack Cloud 8 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE OpenStack Cloud 7 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
| SUSE HPE Helion OpenStack 8 | nghttp2 | 1.39.2-3.5.1 | SUSE-SU-2021:0932-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | nghttp2 | 1.17.0-1.1 | openSUSE-SU-2024:10164-1 |
Advisories 2
- SUSE-SU-2021:0932-1 Security update for nghttp2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10164-1 libnghttp2-14-1.17.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1308461
- https://github.com/nghttp2/nghttp2/releases/tag/v1.7.1
- https://github.com/nghttp2/nghttp2/compare/v1.7.0...v1.7.1
- https://security.gentoo.org/glsa/201612-13
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177666.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177308.html