CVE catalog
CVE-2023-45802
apache2: CVE-2023-45802
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.17% · Oct 25, 2026
When a HTTP/2 stream was reset (RST frame) by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing the memory footprint to keep on growing. On connection close, all resources were reclaimed, but the process might run out of memory before that. This was found by the reporter during testing of CVE-2023-44487 (HTTP/2 Rapid Reset Exploit) with their own test client. During "normal" HTTP/2 use, the probability to hit this bug is very low. The kept memory would not become noticeable before the connection closes or times out. Users are recommended to upgrade to version 2.4.58, which fixes the issue.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | apache2 | sid | 2.4.69-1 | fixed |
| Debian | apache2 | forky | 2.4.69-1 | fixed |
| Debian | apache2 | trixie | 2.4.68-1~deb13u1 | fixed |
| Debian | apache2 | trixie-security | 2.4.69-1~deb13u1 | fixed |
| Debian | apache2 | bookworm | 2.4.68-1~deb12u1 | fixed |
| Debian | apache2 | bookworm-security | 2.4.67-1~deb12u3 | fixed |
| Alpine | apache2 | 3.15 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.16 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.17 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.18 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.19 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.20 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.21 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.22 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.23 | 2.4.58-r0 | fixed |
| Alpine | apache2 | 3.24 | 2.4.58-r0 | fixed |
| Ubuntu | apache2 | pro | 2.4.27-2ubuntu3 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu1 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu2 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu3 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.1 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.2 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.3 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.4 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.5 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.6 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.7 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.8 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.10 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.11 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.12 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.13 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.14 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.16 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.17 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.18 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.19 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.20 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.21 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.22 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.23 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.24 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.25 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.26 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm1 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm2 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm3 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm4 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm6 | vulnerable |
| Ubuntu | apache2 | pro | 2.4.29-1ubuntu4.27+esm7 | fixed |
| Ubuntu | apache2 | 20.04 | 2.4.41-1ubuntu1 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu1 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu2 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.1 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.3 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.4 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.5 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.6 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.7 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.8 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.9 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.10 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.11 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.12 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.13 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.14 | vulnerable |
| Ubuntu | apache2 | 20.04 | 2.4.41-4ubuntu3.15 | fixed |
| Ubuntu | apache2 | 22.04 | 2.4.48-3.1ubuntu3 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.48-3.1ubuntu4 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.51-2ubuntu1 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu1 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu2 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.1 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.2 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.3 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.4 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.5 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.6 | vulnerable |
| Ubuntu | apache2 | 22.04 | 2.4.52-1ubuntu4.7 | fixed |
| Ubuntu | apache2 | 24.04 | 2.4.57-2ubuntu2 | vulnerable |
| Ubuntu | apache2 | 24.04 | 2.4.57-2ubuntu3 | vulnerable |
| Ubuntu | apache2 | 24.04 | 2.4.58-1ubuntu1 | fixed |
| Suse | apache2 | linux enterprise server 12 sp5-ltss | 2.4.51-35.66.1 | fixed |
| Suse | apache2-tls13 | linux enterprise server 12 sp5-ltss | 2.4.51-35.66.1 | fixed |
| Suse | apache2 | linux enterprise server ltss extended security 12 sp5 | 2.4.51-35.66.1 | fixed |
| Suse | apache2-tls13 | linux enterprise server ltss extended security 12 sp5 | 2.4.51-35.66.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp2-ltss | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp3-ltss | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise server 15 sp2-ltss | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise server 15 sp3-ltss | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise server for sap applications 15 sp2 | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise server for sap applications 15 sp3 | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | enterprise storage 7.1 | 2.4.51-150200.3.76.1 | fixed |
| Suse | apache2 | linux enterprise module for basesystem 15 sp5 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise module for package hub 15 sp5 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise module for server applications 15 sp5 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise module for server applications 15 sp6 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp4-espos | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp4-ltss | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise server 15 sp4-ltss | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise server for sap applications 15 sp4 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | manager proxy 4.3 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | manager server 4.3 | 2.4.51-150400.6.43.1 | fixed |
| Opensuse | apache2 | leap 15.5 | 2.4.51-150400.6.43.1 | fixed |
| Suse | apache2 | linux enterprise module for basesystem 15 sp5 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise module for package hub 15 sp5 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise module for server applications 15 sp5 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise module for server applications 15 sp6 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp4-espos | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise high performance computing 15 sp4-ltss | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise server 15 sp4-ltss | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | linux enterprise server for sap applications 15 sp4 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | manager proxy 4.3 | 2.4.51-150400.6.40.1 | fixed |
| Suse | apache2 | manager server 4.3 | 2.4.51-150400.6.40.1 | fixed |
| Opensuse | apache2 | leap 15.5 | 2.4.51-150400.6.40.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | apache2 | source | sid | 2.4.58-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | forky | 2.4.58-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | trixie | 2.4.58-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | bookworm | 2.4.59-1~deb12u1 | not yet assigned | Not reported | Not reported |
| Alpine | apache2 | apk | 3.15 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.16 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.17 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.18 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.19 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.20 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.21 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.22 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.23 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Alpine | apache2 | apk | 3.24 | 2.4.58-r0 | Not reported | ALPINE-CVE-2023-45802 | Not reported |
| Ubuntu | apache2 | deb | pro | 2.4.29-1ubuntu4.27+esm7 | Not reported | UBUNTU-CVE-2023-45802 | Not reported |
| Ubuntu | apache2 | deb | 20.04 | 2.4.41-4ubuntu3.15 | Not reported | UBUNTU-CVE-2023-45802 | Not reported |
| Ubuntu | apache2 | deb | 22.04 | 2.4.52-1ubuntu4.7 | Not reported | UBUNTU-CVE-2023-45802 | Not reported |
| Ubuntu | apache2 | deb | 24.04 | 2.4.58-1ubuntu1 | Not reported | UBUNTU-CVE-2023-45802 | Not reported |
| Suse | apache2 | rpm | linux enterprise server 12 sp5-ltss | 2.4.51-35.66.1 | Not reported | SUSE-SU-2024:3949-1 | Not reported |
| Suse | apache2-tls13 | rpm | linux enterprise server 12 sp5-ltss | 2.4.51-35.66.1 | Not reported | SUSE-SU-2024:3949-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server ltss extended security 12 sp5 | 2.4.51-35.66.1 | Not reported | SUSE-SU-2024:3949-1 | Not reported |
| Suse | apache2-tls13 | rpm | linux enterprise server ltss extended security 12 sp5 | 2.4.51-35.66.1 | Not reported | SUSE-SU-2024:3949-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp2-ltss | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp3-ltss | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server 15 sp2-ltss | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server 15 sp3-ltss | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server for sap applications 15 sp2 | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server for sap applications 15 sp3 | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | enterprise storage 7.1 | 2.4.51-150200.3.76.1 | Not reported | SUSE-SU-2024:3962-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for basesystem 15 sp5 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for package hub 15 sp5 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for server applications 15 sp5 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for server applications 15 sp6 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp4-espos | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp4-ltss | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server 15 sp4-ltss | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server for sap applications 15 sp4 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | manager proxy 4.3 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | manager server 4.3 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Opensuse | apache2 | rpm | leap 15.5 | 2.4.51-150400.6.43.1 | Not reported | SUSE-SU-2024:3999-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for basesystem 15 sp5 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for package hub 15 sp5 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for server applications 15 sp5 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise module for server applications 15 sp6 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp4-espos | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise high performance computing 15 sp4-ltss | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server 15 sp4-ltss | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | linux enterprise server for sap applications 15 sp4 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | manager proxy 4.3 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Suse | apache2 | rpm | manager server 4.3 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
| Opensuse | apache2 | rpm | leap 15.5 | 2.4.51-150400.6.40.1 | Not reported | SUSE-SU-2024:3961-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-784301.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2024_3121.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-45802]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-45802]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3949-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3961-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3962-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3999-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-45802]
- [https://security-tracker.debian.org/tracker/CVE-2023-45802]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-45802.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2917.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]