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    CVE-2008-6218

    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.

    Published:Oct 27, 2008
    Last Modified:Apr 23, 2026
    EPS:Feb 20, 2009
    EPSS Score:0.02549
    CVSS Score:7.1

    Affected Products

    Vendor
    Libpng
    Product
    Libpng

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-33636 (CVSS 7.6) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-33416 (CVSS 7.5) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-3713 (CVSS 1.9) — A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function do_pnm2p…
    CVE-2026-25646 (CVSS 8.3) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2025-28162 (CVSS 5.5) — Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via…
    CVE-2025-28164 (CVSS 5.5) — Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via…
    CVE-2026-22801 (CVSS 6.8) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-22695 (CVSS 6.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2025-66293 (CVSS 7.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …

    References

    http://secunia.com/advisories/32418
    http://secunia.com/advisories/34265
    http://secunia.com/advisories/34320
    http://secunia.com/advisories/34388
    http://security.gentoo.org/glsa/glsa-200903-28.xml
    http://sourceforge.net/project/shownotes.php?release_id=635463&group_id=5624
    http://sourceforge.net/project/shownotes.php?release_id=635837
    http://wiki.rpath.com/Advisories:rPSA-2009-0046
    http://www.debian.org/security/2009/dsa-1750
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:133
    http://www.securityfocus.com/archive/1/501767/100/0/threaded
    http://www.securityfocus.com/bid/31920
    http://www.securitytracker.com/id?1021104
    http://www.vupen.com/english/advisories/2008/2917
    http://www.vupen.com/english/advisories/2010/1837
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46115
    http://secunia.com/advisories/32418
    http://secunia.com/advisories/34265
    http://secunia.com/advisories/34320
    http://secunia.com/advisories/34388
    http://security.gentoo.org/glsa/glsa-200903-28.xml
    http://sourceforge.net/project/shownotes.php?release_id=635463&group_id=5624
    http://sourceforge.net/project/shownotes.php?release_id=635837
    http://wiki.rpath.com/Advisories:rPSA-2009-0046
    http://www.debian.org/security/2009/dsa-1750
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:133
    http://www.securityfocus.com/archive/1/501767/100/0/threaded
    http://www.securityfocus.com/bid/31920
    http://www.securitytracker.com/id?1021104
    http://www.vupen.com/english/advisories/2008/2917
    http://www.vupen.com/english/advisories/2010/1837
    https://exchange.xforce.ibmcloud.com/vulnerabilities/46115

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High