HIGH
CVE-2008-6218
CWE-399Published: February 20, 2009· Updated: Jun 16, 2026
7.1
CVSS v3.1
Official Description
Memory leak in the png_handle_tEXt function in pngrutil.c in libpng before 1.2.33 rc02 and 1.4.0 beta36 allows context-dependent attackers to cause a denial of service (memory exhaustion) via a crafted PNG file.
Technical Analysis
CVE-2008-6218 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:N/AC:M/Au:N/C:N/I:N/A:C
Affected Vendors & Products
libpng1 product(s)
libpng
Source: NVD CPE · 34 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (32)
→
http://secunia.com/advisories/32418Vendor Advisory
Quick Facts
CVE IDCVE-2008-6218
CVSS Score7.1 / 10
SeverityHIGH
WeaknessCWE-399
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 20, 2009
Related CVEs (CWE-399)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-6218 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.COM. CVE data is provided under the NVD usage policy.