CVE-2023-52267: ehttp 1.0.6 before 17405b9 has a simple_log.cpp _log out-of-bounds-read during error logging for long strings.

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-52267 is a high-severity flaw (CVSS 7.5) affecting ehttp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ehttp 1.0.6 before 17405b9 has a simple_log.cpp _log out-of-bounds-read during error logging for long strings.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-125
Published	2023-12-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hongliuliao

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-12-31 00:15 UTCPublished CVE record published
2026-06-17 06:42 UTCUpdated Record last modified

hongliuliao ehttp DOWNGRADE

Affected: 1.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.6

1. Check installed version

apt-cache policy ehttp || rpm -q ehttp || ehttp --version

2. No fixed release: DOWNGRADE to a release before 1.0.6 (Debian / Ubuntu)

apt-cache madison ehttp sudo apt install ehttp=<VERSION_BEFORE_1.0.6> sudo apt-mark hold ehttp

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ehttp sudo dnf downgrade ehttp-<VERSION_BEFORE_1.0.6> sudo dnf versionlock add ehttp

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-52267?

ehttp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-52267 being exploited?

CVE-2023-52267 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-52267 affect?

CVE-2023-52267 affects ehttp. Severity is high (CVSS 7.5). ehttp 1.0.6 before 17405b9 has a simple_log.cpp _log out-of-bounds-read during error logging for long strings.

How urgent is CVE-2023-52267?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-52266 HIGH 7.5 DOWNGRADE ehttp 1.0.6 before 17405b9 has an epoll_socket.cpp read_func use-after-free

References

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