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Fencer Intel
high 8.8

CVE-2014-9765 json

Buffer overflow in the main_get_appheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary c…

published 2016-04-19 10 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9571

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Buffer overflow in the main_get_appheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary code via a crafted input file.

Patch / fix

  • xdelta3 Debian 14, Debian 13, Debian 12 3.0.8-dfsg-1.1

debian advisories DEBIAN-CVE-2014-9765

  • xdelta3 Ubuntu 14.04 LTS 3.0.7-dfsg-2ubuntu0.2

ubuntu advisories UBUNTU-CVE-2014-9765

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-9765 updated cvss 4.6

xdelta: buffer overflow in main_get_appheader

  • Red Hat Enterprise Linux 7 xdelta
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 5 xdelta Red Hat Enterprise Linux 6 xdelta
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.16% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.