7.8

CVE-2016-4302: libarchive

CVSS: 7.8v3.0HighModified
AliasesALPINE-CVE-2016-4302UBUNTU-CVE-2016-4302DEBIAN-CVE-2016-4302
Published 21-09-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-4302 is a high (CVSS 7.8) vulnerability in libarchive. EPSS estimates a 4.76% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
4.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 6 · Related 2

Timeline

  1. 21-09-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

4.76%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.76% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (blog.talosintel.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (talosintel.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat7 products
Alpine1 product
  • libarchive< 3.2.1-r0
Debian1 product
  • libarchive< 3.2.1-1
Libarchive1 product
Ubuntu1 product
  • libarchive< 3.1.2-7ubuntu2.3 | < 3.1.2-11ubuntu0.16.04.2

5 vendors · 11 products

References

16 links
Show all 16 references