CVE-2021-42779 — Use After Free in Project Opensc

CWE-416 — Use After Free7 documents7 sources
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 75.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Opensc Project OpenscFedoraproject FedoraRedhat Enterprise Linux
Timeline
PublishedApr 18
Latest updateApr 19

Description

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶NVDopensc_project/opensc< 0.22.0
▶Debianopensc_project/opensc< 0.21.0-1+deb11u1+3
▶CVEListV5opensc_project/openscopensc 0.22.0

Also affects: Fedora 33, Enterprise Linux 7.0, 8.0

Patches

Patch: bugs.chromium.org ↗Patch: bugzilla.redhat.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-rcjw-9639-853h: A heap use after free issue was found in Opensc before version 0↗2022-04-19
▶
OSV
CVE-2021-42779: A heap use after free issue was found in Opensc before version 0↗2022-04-18
▶
CVEList
CVE-2021-42779: A heap use after free issue was found in Opensc before version 0↗2022-04-18
▶

📋Vendor Advisories

3
Microsoft
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.↗2022-04-12
▶
Red Hat
opensc: Heap use after free in sc_file_valid↗2021-02-22
▶
Debian
CVE-2021-42779: opensc - A heap use after free issue was found in Opensc before version 0.22.0 in sc_file...↗2021
▶
CVE-2021-42779 — Use After Free in Project Opensc | cvebase