CVE-2017-1000460

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
34
EG Risk 34/100

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 (value × EchelonGraph’s weight)
Severity65% × 45%
The EG Score, 6.5 of 10.
Exploitation0% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability30% × 15%
EchelonGraph's default: CISA has not published Automatable for this CVE.
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.5%
EPSS %ILE
40th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

Published

January 3, 2018

Last Modified

November 21, 2024

References (4)

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
ffmpeg—
  • every version up to 7:3.1.1-1: fixed in 7:3.1.1-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
ffmpeg—
  • every version up to 7:3.1.1-1: fixed in 7:3.1.1-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
ffmpeg—
  • every version up to 7:3.1.1-1: fixed in 7:3.1.1-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
ffmpeg—
  • every version up to 7:3.1.1-1: fixed in 7:3.1.1-1
—
Debian:8(1)
PackageVulnerable rangeFix by version rangeDependents
libav6:11.11-1~deb8u1 ... 6:11.9-1~deb8u1 (18 versions)
  • every version up to 6:11.12-1~deb8u6: fixed in 6:11.12-1~deb8u6
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 25× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 88 of 143 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 12 repeat rows among the latest 100 are merged into the row they repeat. The 55 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-11 13:40 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  2. 2026-10-10 19:55 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  3. 2026-10-09 20:01 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  4. 2026-10-08 16:35 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  5. 2026-10-07 23:40 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  6. 2026-10-06 15:11 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  7. 2026-10-05 17:38 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  8. 2026-10-04 23:17 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  9. 2026-10-03 14:21 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  10. 2026-09-30 14:58 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  11. 2026-09-30 09:20 UTCEG score recompute
  12. 2026-09-29 12:22 UTCOSV refresh
  13. 2026-09-28 13:45 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  14. 2026-09-27 13:40 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  15. 2026-09-26 15:53 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  16. 2026-09-24 13:59 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  17. 2026-09-23 13:41 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  18. 2026-09-19 15:35 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  19. 2026-09-18 19:22 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  20. 2026-09-17 19:22 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  21. 2026-09-16 05:05 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  22. 2026-09-15 03:05 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  23. 2026-09-13 16:41 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  24. 2026-09-12 14:55 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  25. 2026-09-11 14:46 UTCEPSS rescoreEPSS 0.5% · 40th percentile
Show 63 more
  1. 2026-09-11 09:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  2. 2026-09-10 09:26 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  3. 2026-09-09 22:53 UTCOSV refresh
  4. 2026-09-07 15:56 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  5. 2026-09-04 13:56 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  6. 2026-09-02 14:07 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  7. 2026-09-01 13:48 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  8. 2026-09-01 03:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  9. 2026-08-28 21:35 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  10. 2026-08-27 14:20 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  11. 2026-08-26 14:41 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  12. 2026-08-25 13:44 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  13. 2026-08-23 01:06 UTCOSV refresh
  14. 2026-08-21 23:44 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  15. 2026-08-19 16:59 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  16. 2026-08-18 13:43 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  17. 2026-08-17 13:42 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  18. 2026-08-16 14:51 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  19. 2026-08-16 02:10 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  20. 2026-08-15 01:25 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  21. 2026-08-12 13:46 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  22. 2026-08-11 13:36 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  23. 2026-08-09 13:42 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  24. 2026-08-08 16:32 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  25. 2026-08-07 16:22 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  26. 2026-08-07 04:26 UTCOSV refresh
  27. 2026-08-06 13:42 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  28. 2026-08-05 19:12 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  29. 2026-08-04 15:05 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  30. 2026-08-02 02:22 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  31. 2026-08-01 04:11 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  32. 2026-07-30 16:24 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  33. 2026-07-30 01:26 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  34. 2026-07-28 15:31 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  35. 2026-07-26 14:50 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  36. 2026-07-25 14:13 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  37. 2026-07-24 14:13 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  38. 2026-07-23 14:15 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  39. 2026-07-23 01:25 UTCEG score recompute
  40. 2026-07-22 22:04 UTCEG score recompute
  41. 2026-07-22 14:04 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  42. 2026-07-21 19:48 UTCOSV refresh
  43. 2026-07-21 15:21 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  44. 2026-07-20 17:04 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  45. 2026-07-19 14:28 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  46. 2026-07-19 02:26 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  47. 2026-07-18 10:00 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  48. 2026-07-16 16:59 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  49. 2026-07-15 16:54 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  50. 2026-07-15 01:56 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  51. 2026-07-13 22:26 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  52. 2026-07-13 06:09 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  53. 2026-07-12 05:43 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  54. 2026-07-11 08:24 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  55. 2026-07-09 19:06 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  56. 2026-07-08 15:10 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  57. 2026-07-07 13:42 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  58. 2026-07-06 16:24 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  59. 2026-07-06 02:20 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  60. 2026-07-05 02:27 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  61. 2026-07-04 15:26 UTCOSV refresh
  62. 2026-07-04 06:28 UTCEPSS rescoreEPSS 0.5% · 38th percentile
  63. 2026-07-01 15:02 UTCEPSS rescoreEPSS 0.5% · 38th percentile

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2017-1000460?
CVE-2017-1000460 is a medium vulnerability published on January 3, 2018. In line libavcodec/h264dec.c:500 in libav(v13dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of initgetbits is ignored and getuegolomb(&gb) is called on an uninitialized getbits context, which causes a NULL deref exception.
When was the CVE record for CVE-2017-1000460 published?
The CVE record for CVE-2017-1000460 was published on January 3, 2018. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of November 21, 2024; the record at its source may have been updated since.
Is CVE-2017-1000460 actively exploited?
CVE-2017-1000460 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (40th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-1000460?
CVE-2017-1000460 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2017-1000460?
A fix for CVE-2017-1000460 is available: update to the fixed version the vendor names in its advisory.

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