CVE-2023-33457: In Sogou Workflow v0.10.6, memcpy a negtive size in URIParser::parse , may cause buffer-overflow and crash.

This month

HIGH 8.8DOWNGRADE

CVE-2023-33457 is a high-severity flaw (CVSS 8.8) affecting c\+\+ workflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Sogou Workflow v0.10.6, memcpy a negtive size in URIParser::parse , may cause buffer-overflow and crash.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-120
Published	2023-06-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sogou

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

Am I affected?

Timeline

2023-06-06 14:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

sogou c\+\+ workflow DOWNGRADE

Affected: 0.10.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.10.6

1. Check installed version

apt-cache policy c++-workflow || rpm -q c++-workflow || c++-workflow --version

2. No fixed release: DOWNGRADE to a release before 0.10.6 (Debian / Ubuntu)

apt-cache madison c++-workflow sudo apt install c++-workflow=<VERSION_BEFORE_0.10.6> sudo apt-mark hold c++-workflow

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

dnf --showduplicates list c++-workflow sudo dnf downgrade c++-workflow-<VERSION_BEFORE_0.10.6> sudo dnf versionlock add c++-workflow

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-2023-33457?

c\+\+ workflow: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-33457 being exploited?

CVE-2023-33457 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-2023-33457 affect?

CVE-2023-33457 affects c\+\+ workflow. Severity is high (CVSS 8.8). In Sogou Workflow v0.10.6, memcpy a negtive size in URIParser::parse , may cause buffer-overflow and crash.

How urgent is CVE-2023-33457?

Priority 50/100. High severity; Public exploit reference

References

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