CVE-2020-13790

Exp

libjpeg-turbo 2.0.4, and mozjpeg 4.0.0, has a heap-based buffer over-read in get_rgb_row() in rdppm.c via a malformed PPM input file.

Published: 2020-06-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-13790 is rated High Exploit Risk (80.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.18%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.68% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-13790

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-13790

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.50% 3.18% +2.68%
2 2026-05-23 0.42% 0.50% +0.08%
3 2026-05-22 0.42%

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-13790

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.2 [email protected]
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2020-13790

OS Trackers for CVE-2020-13790

vendor priority summary link
alpine high CVE-2020-13790: 1 source package rows (libjpeg-turbo); 15 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 5. https://security.alpinelinux.org/vuln/CVE-2020-13790
debian not yet assigned CVE-2020-13790 not yet assigned priority: Debian including 1 source packages (libjpeg-turbo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2020-13790
gentoo low CVE-2020-13790: 1 GLSA(s) (202010-03), 1 atom(s) (media-libs/libjpeg-turbo); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-13790
redhat medium https://access.redhat.com/security/cve/CVE-2020-13790
suse medium CVE-2020-13790 severity moderate: SUSE including 322 source package names (0.38.1:libjpeg8-8.1.2-5.15.7, 0.45.0.7.7.1:libjpeg8-8.1.2-5.15.7, …), 414 product×package rows across 71 product lines (Container bci/openjdk, Container bci/openjdk-devel, … (71 product lines)): Known Affected 231, Fixed 183. https://www.suse.com/security/cve/CVE-2020-13790/
ubuntu medium CVE-2020-13790 medium priority: Ubuntu including 1 source packages (libjpeg-turbo), 6 status rows across 6 suites (bionic, eoan, focal, trusty, upstream, xenial): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2020-13790

Affected software / configurations for CVE-2020-13790

Vendor Product Version Raw CPE
libjpeg-turbo libjpeg-turbo 2.0.4 cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:2.0.4:*:*:*:*:*:*:*
mozilla mozjpeg 4.0.0 cpe:2.3:a:mozilla:mozjpeg:4.0.0:*:*:*:*:*:*:*

References for CVE-2020-13790

cvelogic Threat Intelligence