CVE-2014-9765

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
90%
KEV
Not listed

Published

April 19, 2016

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated May 10, 2026
No patch confirmed yet.
generic

xdelta: User-assisted execution of arbitrary code (GLSA 201701-40) — Gentoo security

https://security.gentoo.org/glsa/201701-40
generic

Add appheader tests; fix buffer overflow in main_get_appheader · jmacd/xdelta-gpl@ef93ff7 · GitHub

https://github.com/jmacd/xdelta-devel/commit/ef93ff74203e030073b898c05e8b4860b5d09ef2
generic
http://www.securityfocus.com/bid/83109
generic

oss-security - Re: CVE request - buffer overflow in xdelta3 before 3.0.9

http://www.openwall.com/lists/oss-security/2016/02/08/2
generic

oss-security - CVE request - buffer overflow in xdelta3 before 3.0.9

http://www.openwall.com/lists/oss-security/2016/02/08/1
generic

[SECURITY] [DSA 3484-1] xdelta3 security update

http://www.debian.org/security/2016/dsa-3484

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxdelta3 (3.0.8-dfsg-1ubuntu0.15.10.2) @ wily2026-05-22ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(7 across 7 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
xdelta3—3.0.8-dfsg-1.1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
xdelta3—3.0.8-dfsg-1.1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
xdelta3—3.0.8-dfsg-1.1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
xdelta3—3.0.8-dfsg-1.1—
Debian:6.0(1)
PackageVulnerable rangeFixed inDependents
xdelta30y.dfsg-10y.dfsg-1+deb6u1—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
xdelta33.0.0.dfsg-13.0.0.dfsg-1+deb7u1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
xdelta33.0.8-dfsg-13.0.8-dfsg-1+deb8u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 25× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
  2. 2026-08-19 16:59 UTCEPSS rescore
  3. 2026-08-18 13:43 UTCEPSS rescore
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  7. 2026-08-14 12:54 UTCOSV refresh
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  24. 2026-07-23 01:15 UTCEG score recompute
  25. 2026-07-23 00:18 UTCEG score recompute
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  1. 2026-07-22 21:56 UTCEG score recompute
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  17. 2026-07-12 10:37 UTCOSV refresh
  18. 2026-07-12 05:42 UTCEPSS rescore
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  40. 2026-06-23 16:00 UTCOSV refresh
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Frequently asked(5)

What is CVE-2014-9765?
CVE-2014-9765 is a high vulnerability published on April 19, 2016. Buffer overflow in the maingetappheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary code via a crafted input file.
When was CVE-2014-9765 disclosed?
CVE-2014-9765 was first published in the National Vulnerability Database on April 19, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-9765 actively exploited?
CVE-2014-9765 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 9.9% of all scored CVEs.
What is the CVSS score of CVE-2014-9765?
CVE-2014-9765 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2014-9765?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-9765, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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