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🛡️ CVE-2023-45288 on Ubuntu — golang-1.10

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.

Distribution advisory

This page covers CVE-2023-45288 as tracked by Ubuntu, for the package golang-1.10. The fix is available in version 1.17.13-3ubuntu1.3; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Affected software

UBUNTU-CVE-2023-45288 is recorded against 11 packages.

  • golang-1.10
  • golang-1.13
  • golang-1.14
  • golang-1.16
  • golang-1.17 (fixed in 1.17.13-3ubuntu1.3)
  • golang-1.18 (fixed in 1.18.1-1ubuntu1.2)
  • golang-1.20
  • golang-1.21 (fixed in 1.21.1-1~ubuntu22.04.3)
  • golang-1.6
  • golang-1.8
  • golang-1.9

Timeline and source

Published on 27 March 2024 and last revised on 20 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
kb.cert.org (Report)
go.dev (Report)
pkg.go.dev (Report)
groups.google.com (Report)
www.cve.org (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)

Other advisories for this package

golang-1.10 has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2023-45288 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-03-27
Updated 2026-08-20
Modified 2026-05-20
Fix URL N/A

Affected Packages

Software From version Fixed in
golang-1.10 — —
golang-1.13 — —
golang-1.14 — —
golang-1.16 — —
golang-1.17 — 1.17.13-3ubuntu1.3
golang-1.18 — 1.18.1-1ubuntu1.2
golang-1.20 — —
golang-1.21 — 1.21.1-1~ubuntu22.04.3
golang-1.6 — —
golang-1.8 — —
golang-1.9 — —

Site Security Check

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