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CVE-2020-36279

25
FAUCET Score

CVE-2020-36279 is a heap-based buffer over-read vulnerability affecting Leptonica versions prior to 1.80.0, specifically within the rasteropGeneralLow function. This flaw impacts various distributions including Debian, Fedora, and Linux. With a CVSS score of 7.5 (High), it can be exploited remotely with low attack complexity, leading to a high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.80.0CPE matchmatch criteria
cpe:2.3:a:leptonica:leptonica:*:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.57%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0257 is in the 71st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

bugs.chromium.org / p/oss-fuzz/issues/detail
ExploitIssue TrackingThird Party Advisory
github.com / DanBloomberg/leptonica/commit/3c18c43b6a3f753f0dfff99610d46ad46b8bfac4
PatchThird Party Advisory
github.com / DanBloomberg/leptonica/compare/1.79.0...1.80.0
PatchRelease NotesThird Party Advisory
lists.debian.org / debian-lts-announce/2021/03/msg00037.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JQUEA2X6UTH4DMYCMZAWE2QQLN5YANUA
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/RD5AIWHWE334HGYZJR2U3I3JYKSSO2LW
security.gentoo.org / glsa/202107-53
Third Party Advisory