CVE-2023-39804

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 20.5% of scored records. A rank, not a probability.

NVD base score

6.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-03-27 00:00Z2 YR AGO

Last updated

2025-11-04 18:16Z11 MO AGO

Reserved

2023-08-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.2)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant

Data version

5.2

Document digest

eba8d113f537bd5819e666134bc8461500d810713165498464f06f276fb7a2b4

• git.savannah.gnu.orghttps://git.savannah.gnu.org/cgit/tar.git/commit/?id=a339f05cd269013fa133d2f148d73f6f7d4247e4
• git.savannah.gnu.orghttps://git.savannah.gnu.org/cgit/tar.git/tree/src/xheader.c?h=release_1_34#n1723
• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1058079
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/03/msg00008.html