VIR Vulnerability Intelligence Relay

CVE-2015-8540

high
Published 2016-04-14 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
8.8

Description

Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.

Predictions

Exploit likelihood
92%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
debian Debian Affected 1 release
VersionStatusFixed in
6.0 Affected —
fedora Fedora Affected 1 release
VersionStatusFixed in
23 Affected —
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —

Application impact
VendorProductVersionsFixed
libpnglibpng1.2.0
libpnglibpng1.2.1
libpnglibpng1.2.2
libpnglibpng1.2.3
libpnglibpng1.2.4
libpnglibpng1.2.5
libpnglibpng1.2.6
libpnglibpng1.2.7
libpnglibpng1.2.8
libpnglibpng1.2.9
libpnglibpng1.2.10
libpnglibpng1.2.11
libpnglibpng1.2.12
libpnglibpng1.2.13
libpnglibpng1.2.14
libpnglibpng1.2.15
libpnglibpng1.2.16
libpnglibpng1.2.17
libpnglibpng1.2.18
libpnglibpng1.2.19
libpnglibpng1.2.20
libpnglibpng1.2.21
libpnglibpng1.2.22
libpnglibpng1.2.23
libpnglibpng1.2.24
libpnglibpng1.2.25
libpnglibpng1.2.26
libpnglibpng1.2.27
libpnglibpng1.2.28
libpnglibpng1.2.29
libpnglibpng1.2.30
libpnglibpng1.2.31
libpnglibpng1.2.32
libpnglibpng1.2.33
libpnglibpng1.2.34
libpnglibpng1.2.35
libpnglibpng1.2.36
libpnglibpng1.2.37
libpnglibpng1.2.38
libpnglibpng1.2.39
libpnglibpng1.2.40
libpnglibpng1.2.41
libpnglibpng1.2.42
libpnglibpng1.2.43
libpnglibpng1.2.44
libpnglibpng1.2.45
libpnglibpng1.2.46
libpnglibpng1.2.47
libpnglibpng1.2.48
libpnglibpng1.2.49
libpnglibpng1.2.50
libpnglibpng1.2.51
libpnglibpng1.2.52
libpnglibpng1.2.53
libpnglibpng1.2.54
libpnglibpng1.2.55
libpnglibpng1.1.1
libpnglibpng1.0.0
libpnglibpng1.0.1
libpnglibpng1.0.2
libpnglibpng1.0.3
libpnglibpng1.0.5
libpnglibpng1.0.6
libpnglibpng1.0.7
libpnglibpng1.0.8
libpnglibpng1.0.9
libpnglibpng1.0.10
libpnglibpng1.0.11
libpnglibpng1.0.12
libpnglibpng1.0.13
libpnglibpng1.0.14
libpnglibpng1.0.15
libpnglibpng1.0.16
libpnglibpng1.0.17
libpnglibpng1.0.18
libpnglibpng1.0.19
libpnglibpng1.0.20
libpnglibpng1.0.21
libpnglibpng1.0.22
libpnglibpng1.0.23
libpnglibpng1.0.24
libpnglibpng1.0.25
libpnglibpng1.0.26
libpnglibpng1.0.27
libpnglibpng1.0.28
libpnglibpng1.0.29
libpnglibpng1.0.30
libpnglibpng1.0.31
libpnglibpng1.0.32
libpnglibpng1.0.33
libpnglibpng1.0.34
libpnglibpng1.0.35
libpnglibpng1.0.37
libpnglibpng1.0.38
libpnglibpng1.0.39
libpnglibpng1.0.40
libpnglibpng1.0.41
libpnglibpng1.0.42
libpnglibpng1.0.43
libpnglibpng1.0.44
libpnglibpng1.0.45
libpnglibpng1.0.46
libpnglibpng1.0.47
libpnglibpng1.0.48
libpnglibpng1.0.50
libpnglibpng1.0.51
libpnglibpng1.0.52
libpnglibpng1.0.53
libpnglibpng1.0.54
libpnglibpng1.0.55
libpnglibpng1.0.56
libpnglibpng1.0.57
libpnglibpng1.0.58
libpnglibpng1.0.59
libpnglibpng1.0.60
libpnglibpng1.0.61
libpnglibpng1.0.62
libpnglibpng1.0.63
libpnglibpng1.0.64
libpnglibpng1.0.65
libpnglibpng1.4.0
libpnglibpng1.4.1
libpnglibpng1.4.2
libpnglibpng1.4.3
libpnglibpng1.4.4
libpnglibpng1.4.5
libpnglibpng1.4.6
libpnglibpng1.4.7
libpnglibpng1.4.8
libpnglibpng1.4.9
libpnglibpng1.4.10
libpnglibpng1.4.11
libpnglibpng1.4.12
libpnglibpng1.4.13
libpnglibpng1.4.14
libpnglibpng1.4.15
libpnglibpng1.4.16
libpnglibpng1.4.17
libpnglibpng1.4.18
libpnglibpng0.90
libpnglibpng0.95
libpnglibpng0.96
libpnglibpng0.97
libpnglibpng0.98
libpnglibpng0.99
libpnglibpng1.5.0
libpnglibpng1.5.1
libpnglibpng1.5.2
libpnglibpng1.5.3
libpnglibpng1.5.4
libpnglibpng1.5.5
libpnglibpng1.5.6
libpnglibpng1.5.7
libpnglibpng1.5.8
libpnglibpng1.5.9
libpnglibpng1.5.10
libpnglibpng1.5.11
libpnglibpng1.5.12
libpnglibpng1.5.13
libpnglibpng1.5.14
libpnglibpng1.5.15
libpnglibpng1.5.16
libpnglibpng1.5.17
libpnglibpng1.5.18
libpnglibpng1.5.19
libpnglibpng1.5.20
libpnglibpng1.5.21
libpnglibpng1.5.22
libpnglibpng1.5.23
libpnglibpng1.5.24
libpnglibpng1.5.25
libpnglibpng1.3.0

References

CWEs

CWE-189

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.