CVE-2015-8540: debian debian_linux Numeric Errors
Vulnerability summary
CVE-2015-8540 is a high (CVSS 9.3) Numeric Errors vulnerability in debian debian_linux. EPSS estimates a 6.48% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 17 · Related 11Timeline
- 14-04-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
6.48%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat4 products
Debian1 product
- debian_linuxEOL6.0
Fedoraproject1 product
- fedoraEOL23
Libpng1 product
- libpng1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.8 | 1.2.9 | 1.2.10 | 1.2.11 | 1.2.12 | 1.2.13 | 1.2.14 | 1.2.15 | 1.2.16 | 1.2.17 | 1.2.18 | 1.2.19 | 1.2.20 | 1.2.21 | 1.2.22 | 1.2.23 | 1.2.24 | 1.2.25 | 1.2.26 | 1.2.27 | 1.2.28 | 1.2.29 | 1.2.30 | 1.2.31 | 1.2.32 | 1.2.33 | 1.2.34 | 1.2.35 | 1.2.36 | 1.2.37 | 1.2.38 | 1.2.39 | 1.2.40 | 1.2.41 | 1.2.42 | 1.2.43 | 1.2.43:devel | 1.2.44 | 1.2.45 | 1.2.45:devel | 1.2.46 | 1.2.46:devel | 1.2.47 | 1.2.47:beta | 1.2.48 | 1.2.48:betas | 1.2.49 | 1.2.50 | 1.2.51 | 1.2.52 | 1.2.53 | 1.2.54 | 1.2.55 | 1.1.1 | 1.0.0 | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.0.10 | 1.0.11 | 1.0.12 | 1.0.13 | 1.0.14 | 1.0.15 | 1.0.16 | 1.0.17 | 1.0.18 | 1.0.19 | 1.0.20 | 1.0.21 | 1.0.22 | 1.0.23 | 1.0.24 | 1.0.25 | 1.0.26 | 1.0.27 | 1.0.28 | 1.0.29 | 1.0.30 | 1.0.31 | 1.0.32 | 1.0.33 | 1.0.34 | 1.0.35 | 1.0.37 | 1.0.38 | 1.0.39 | 1.0.40 | 1.0.41 | 1.0.42 | 1.0.43 | 1.0.44 | 1.0.45 | 1.0.46 | 1.0.47 | 1.0.48 | 1.0.50 | 1.0.51 | 1.0.52 | 1.0.53 | 1.0.54 | 1.0.55 | 1.0.55:rc01 | 1.0.56 | 1.0.56:devel | 1.0.57 | 1.0.57:rc01 | 1.0.58 | 1.0.59 | 1.0.60 | 1.0.61 | 1.0.62 | 1.0.63 | 1.0.64 | 1.0.65 | 1.4.0 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.4.5 | 1.4.6 | 1.4.7 | 1.4.8 | 1.4.9 | 1.4.10 | 1.4.11 | 1.4.12 | 1.4.13 | 1.4.14 | 1.4.15 | 1.4.16 | 1.4.17 | 1.4.18 | 0.90 | 0.95 | 0.96 | 0.97 | 0.98 | 0.99 | 1.5.0:beta | 1.5.1 | 1.5.1:beta | 1.5.2 | 1.5.2:beta | 1.5.3:beta | 1.5.4 | 1.5.4:beta | 1.5.5 | 1.5.5:beta | 1.5.6 | 1.5.6:beta | 1.5.7 | 1.5.7:beta | 1.5.8 | 1.5.8:beta | 1.5.9 | 1.5.9:beta | 1.5.10:beta | 1.5.11 | 1.5.11:beta | 1.5.12 | 1.5.13 | 1.5.13:beta | 1.5.14 | 1.5.15 | 1.5.16 | 1.5.17 | 1.5.18 | 1.5.19 | 1.5.20:beta | 1.5.21 | 1.5.22 | 1.5.23 | 1.5.24 | 1.5.25 | 1.3.0
Mageia1 product
- libpng12< 1.2.56-1.mga5
Ubuntu1 product
- libpng< 1.2.50-1ubuntu2.14.04.2
6 vendors · 9 products
References
25 links- sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlX Refsource CONFIRM
Show all 25 references
- sourceforge.net/p/libpng/bugs/244/X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.htmlVendor AdvisoryX Refsource FEDORA