Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-78273.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-78273
Upstream
Published
2026-02-22T01:16:00Z
Modified
2026-04-21T04:34:23.413316Z
Summary
CVE-2026-2903 affecting package re2c 3.1-4
Details

A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function checkandmergespecialrules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue.

References

Affected packages

Azure Linux:3 / re2c

Package

Name
re2c
Purl
pkg:rpm/azure-linux/re2c

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
3.1-4

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-78273.json"