Red Hat Security Advisory: perl-Archive-Tar security update
Affects Red Hat perl-Archive-TarSource GCVE Database
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat Archive-Tar to 3.10 soon.
Data as of 6 Nov 2026, 04:33 UTC
- Patch
- Available – fixed in 3.10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade Archive::Tar and Archive-Tar to 3.10.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| BINGOSArchive::Tar | Affected
| Fixed in
|
GitHubArchive-Tarpkg:github/Archive-TarOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated perl-Archive-Tar packages that fix this vulnerability. Users of Red Hat Enterprise Linux 8 should apply the security update as detailed in Red Hat advisory RHSA-2026:49524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.
Description
A denial of service vulnerability (CVE-2026-9538) exists in the perl-Archive-Tar module used in Red Hat Enterprise Linux 8. The flaw allows a crafted tar header with a large entry size to cause a denial of service. Red Hat has released an important security update to address this issue in multiple architectures of RHEL 8.