CVE-2009-0749
Published: 2 March 2009
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
Priority
Status
Package | Release | Status |
---|---|---|
optipng Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
gutsy |
Ignored
(end of life, was needed)
|
|
hardy |
Ignored
(end of life)
|
|
intrepid |
Ignored
(end of life, was needed)
|
|
jaunty |
Not vulnerable
(0.6.2.1-1)
|
|
karmic |
Not vulnerable
(0.6.2.1-1)
|
|
lucid |
Not vulnerable
(0.6.2.1-1)
|
|
maverick |
Not vulnerable
(0.6.2.1-1)
|
|
natty |
Not vulnerable
(0.6.2.1-1)
|
|
oneiric |
Not vulnerable
(0.6.2.1-1)
|
|
upstream |
Released
(0.6.2.1-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |