CVE-2009-0749

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
optipng_projectoptipng
𝑥
≤ 0.6.2
opensuseopensuse
10.3 ≤
𝑥
≤ 11.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
optipng
bullseye
0.7.7-1
fixed
bookworm
0.7.7-2
fixed
sid
0.7.8+ds-1
fixed
trixie
0.7.8+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
optipng
oneiric
not-affected
natty
not-affected
maverick
not-affected
lucid
not-affected
karmic
not-affected
jaunty
not-affected
intrepid
ignored
hardy
ignored
gutsy
ignored
dapper
dne