4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
9 High
AI Score
Confidence
High
0.013 Low
EPSS
Percentile
85.7%
The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a “decompression bomb” attack.
libpng.sourceforge.net/ADVISORY-1.4.1.html
libpng.sourceforge.net/decompression_bombs.html
lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
lists.fedoraproject.org/pipermail/package-announce/2010-March/037237.html
lists.fedoraproject.org/pipermail/package-announce/2010-March/037355.html
lists.fedoraproject.org/pipermail/package-announce/2010-March/037364.html
lists.fedoraproject.org/pipermail/package-announce/2010-March/037607.html
lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
lists.vmware.com/pipermail/security-announce/2010/000105.html
osvdb.org/62670
secunia.com/advisories/38774
secunia.com/advisories/39251
secunia.com/advisories/41574
support.apple.com/kb/HT4435
ubuntu.com/usn/usn-913-1
www.debian.org/security/2010/dsa-2032
www.kb.cert.org/vuls/id/576029
www.mandriva.com/security/advisories?name=MDVSA-2010:063
www.mandriva.com/security/advisories?name=MDVSA-2010:064
www.securityfocus.com/bid/38478
www.securitytracker.com/id?1023674
www.vmware.com/security/advisories/VMSA-2010-0014.html
www.vupen.com/english/advisories/2010/0517
www.vupen.com/english/advisories/2010/0605
www.vupen.com/english/advisories/2010/0626
www.vupen.com/english/advisories/2010/0637
www.vupen.com/english/advisories/2010/0667
www.vupen.com/english/advisories/2010/0682
www.vupen.com/english/advisories/2010/0686
www.vupen.com/english/advisories/2010/0847
www.vupen.com/english/advisories/2010/1107
www.vupen.com/english/advisories/2010/2491
exchange.xforce.ibmcloud.com/vulnerabilities/56661