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CVE-2014-8242

17
FAUCET Score

CVE-2014-8242 describes a vulnerability in librsync before version 1.0.0, where its use of a truncated MD4 checksum for block matching allows remote attackers to alter transmitted data through a birthday attack. This vulnerability has a CVSS score of 5.8, indicating a medium severity with network access required and medium attack complexity, potentially leading to partial integrity and availability impacts. Despite its age, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat profile.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.0CPE matchmatch criteria
cpe:2.3:a:librsync_project:librsync:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 78th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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

lists.fedoraproject.org / pipermail/package-announce/2015-March/151105.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-March/152355.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-March/152366.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2015-10/msg00034.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / librsync/librsync/issues/5
PatchThird Party Advisory
github.com / librsync/librsync/releases/tag/v1.0.0
PatchThird Party Advisory
security.gentoo.org / glsa/201605-04
Third Party Advisory
miknet.net / security/optimizing-birthday-attack
Third Party Advisory
openwall.com / lists/oss-security/2014/07/28/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/08/05/5
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/10/13/2
Mailing ListThird Party Advisory