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TI-2011-01558 Aliases CVE-2011-1779GHSA-xm97-4p58-pfr9

Multiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote…

Priority LOW 36CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

Multiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted (1) TAR archive or (2) ISO9660 image.

Why it matters now

EPSS 0.01355 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:freebsd:libarchive:2.8.4:*:*:*:*:*:*:*2.8.4VulnerableFreeBSD
cpe:2.3:a:freebsd:libarchive:2.8.5:*:*:*:*:*:*:*2.8.5VulnerableFreeBSD
  • cpe:2.3:a:freebsd:libarchive:2.8.4:*:*:*:*:*:*:* Versions 2.8.4 Vulnerable ·FreeBSD
  • cpe:2.3:a:freebsd:libarchive:2.8.5:*:*:*:*:*:*:* Versions 2.8.5 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1779
  2. 2026-10-03 Alias added: GHSA-xm97-4p58-pfr9

References

  • TI-2007-03532 archive_read_support_format_tar.c in libarchive before 2.2.4 does not properly compute… CVSS 2.0HIGH 9.3
  • TI-2011-01557 Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of… CVSS 2.0MEDIUM 6.8
  • TI-2011-01556 Multiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in… CVSS 2.0MEDIUM 6.8
  • TI-2010-04389 Buffer overflow in libarchive 3.0 pre-release code allows remote attackers to cause a… CVSS 2.0HIGH 7.5
  • TI-2007-03535 archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote… CVSS 2.0MEDIUM 4.3
  • TI-2007-03536 archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote… CVSS 2.0MEDIUM 4.3

Sources