MEDIUM
CVE-2019-25013
CWE-125Published: January 4, 2021· Updated: Jun 17, 2026
5.9
CVSS v3.1
Official Description
The iconv feature in the GNU C Library (aka glibc or libc6) through 2.32, when processing invalid multi-byte input sequences in the EUC-KR encoding, may have a buffer over-read.
Technical Analysis
CVE-2019-25013 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (34)
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202107-07Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210205-0004/Third Party Advisory
→
https://sourceware.org/bugzilla/show_bug.cgi?id=24973Issue Tracking · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2019-25013
CVSS Score5.9 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected5 vendor(s)
PublishedJan 4, 2021
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-25013 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.