CVE-2013-7456: libgd Out-of-bounds Read
Vulnerability summary
CVE-2013-7456 is a high (CVSS 7.6) Out-of-bounds Read vulnerability in libgd. EPSS estimates a 3.83% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 2Timeline
- 07-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.1.1, as used in PHP before 5.5.36, 5.6.x before 5.6.22, and 7.x before 7.0.7, allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted image that is mishandled by the imagescale function.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
- OSV · DebianEcosystem advisory · calculated7.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
EPSS trend
Probability
3.83%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.83% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- libgd2< 2.1.1-1
Libgd1 product
- libgd2.1.0
Ubuntu1 product
- libgd2< 2.1.0-3ubuntu0.2
3 vendors · 3 products
References
17 links
- github.com/php/php-src/commit/7a1aac3343af85b4af4df5f8844946eaa27394ab?w=1X Refsource CONFIRM
- github.com/libgd/libgd/commit/4f65a3e4eedaffa1efcf9ee1eb08f0b504fbc31aX Refsource CONFIRM